diff --git a/README.mdown b/README.md
similarity index 92%
rename from README.mdown
rename to README.md
index 23e73798..e6890d37 100644
--- a/README.mdown
+++ b/README.md
@@ -18,9 +18,9 @@ See [masonry.desandro.com](http://masonry.desandro.com) for complete docs and de
 Link directly to Masonry files on [npmcdn](https://npmcdn.com/).
 
 ``` html
-<script src="https://npmcdn.com/masonry-layout@4.0/dist/masonry.pkgd.js"></script>
+<script src="https://npmcdn.com/masonry-layout@4.1/dist/masonry.pkgd.js"></script>
 <!-- or -->
-<script src="https://npmcdn.com/masonry-layout@4.0/dist/masonry.pkgd.min.js"></script>
+<script src="https://npmcdn.com/masonry-layout@4.1/dist/masonry.pkgd.min.js"></script>
 ```
 
 ### Package managers
diff --git a/bower.json b/bower.json
index f7f4fa1f..8dca00f8 100644
--- a/bower.json
+++ b/bower.json
@@ -3,8 +3,8 @@
   "description": "Cascading grid layout library",
   "main": "masonry.js",
   "dependencies": {
-    "get-size": "~2.0.2",
-    "outlayer": "~2.0.0"
+    "get-size": "^2.0.2",
+    "outlayer": "^2.1.0"
   },
   "devDependencies": {
     "jquery-bridget": "~2.0.0",
diff --git a/dist/masonry.pkgd.js b/dist/masonry.pkgd.js
index dc67d694..e5774a30 100644
--- a/dist/masonry.pkgd.js
+++ b/dist/masonry.pkgd.js
@@ -1,5 +1,5 @@
 /*!
- * Masonry PACKAGED v4.0.0
+ * Masonry PACKAGED v4.1.0
  * Cascading grid layout library
  * http://masonry.desandro.com
  * MIT License
@@ -152,7 +152,7 @@ return jQueryBridget;
 }));
 
 /**
- * EvEmitter v1.0.1
+ * EvEmitter v1.0.2
  * Lil' event emitter
  * MIT License
  */
@@ -206,8 +206,8 @@ proto.once = function( eventName, listener ) {
   // set once flag
   // set onceEvents hash
   var onceEvents = this._onceEvents = this._onceEvents || {};
-  // set onceListeners array
-  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || [];
+  // set onceListeners object
+  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
   // set flag
   onceListeners[ listener ] = true;
 
@@ -485,7 +485,7 @@ return getSize;
   // universal module definition
   if ( typeof define == 'function' && define.amd ) {
     // AMD
-    define( 'matches-selector/matches-selector',factory );
+    define( 'desandro-matches-selector/matches-selector',factory );
   } else if ( typeof module == 'object' && module.exports ) {
     // CommonJS
     module.exports = factory();
@@ -526,21 +526,20 @@ return getSize;
 }));
 
 /**
- * Fizzy UI utils v2.0.0
+ * Fizzy UI utils v2.0.1
  * MIT license
  */
 
 /*jshint browser: true, undef: true, unused: true, strict: true */
 
 ( function( window, factory ) {
-  /*global define: false, module: false, require: false */
-  'use strict';
   // universal module definition
+  /*jshint strict: false */ /*globals define, module, require */
 
   if ( typeof define == 'function' && define.amd ) {
     // AMD
     define( 'fizzy-ui-utils/utils',[
-      'matches-selector/matches-selector'
+      'desandro-matches-selector/matches-selector'
     ], function( matchesSelector ) {
       return factory( window, matchesSelector );
     });
@@ -775,14 +774,11 @@ return utils;
         'ev-emitter/ev-emitter',
         'get-size/get-size'
       ],
-      function( EvEmitter, getSize ) {
-        return factory( window, EvEmitter, getSize );
-      }
+      factory
     );
   } else if ( typeof module == 'object' && module.exports ) {
     // CommonJS - Browserify, Webpack
     module.exports = factory(
-      window,
       require('ev-emitter'),
       require('get-size')
     );
@@ -790,13 +786,12 @@ return utils;
     // browser global
     window.Outlayer = {};
     window.Outlayer.Item = factory(
-      window,
       window.EvEmitter,
       window.getSize
     );
   }
 
-}( window, function factory( window, EvEmitter, getSize ) {
+}( window, function factory( EvEmitter, getSize ) {
 'use strict';
 
 // ----- helpers ----- //
@@ -824,13 +819,14 @@ var transitionEndEvent = {
   transition: 'transitionend'
 }[ transitionProperty ];
 
-// cache all vendor properties
-var vendorProperties = [
-  transformProperty,
-  transitionProperty,
-  transitionProperty + 'Duration',
-  transitionProperty + 'Property'
-];
+// cache all vendor properties that could have vendor prefix
+var vendorProperties = {
+  transform: transformProperty,
+  transition: transitionProperty,
+  transitionDuration: transitionProperty + 'Duration',
+  transitionProperty: transitionProperty + 'Property',
+  transitionDelay: transitionProperty + 'Delay'
+};
 
 // -------------------------- Item -------------------------- //
 
@@ -1044,7 +1040,7 @@ proto._nonTransition = function( args ) {
  *   @param {Boolean} isCleaning - removes transition styles after transition
  *   @param {Function} onTransitionEnd - callback
  */
-proto._transition = function( args ) {
+proto.transition = function( args ) {
   // redirect to nonTransition if no transition duration
   if ( !parseFloat( this.layout.options.transitionDuration ) ) {
     this._nonTransition( args );
@@ -1090,8 +1086,7 @@ function toDashedAll( str ) {
   });
 }
 
-var transitionProps = 'opacity,' +
-  toDashedAll( vendorProperties.transform || 'transform' );
+var transitionProps = 'opacity,' + toDashedAll( transformProperty );
 
 proto.enableTransition = function(/* style */) {
   // HACK changing transitionProperty during a transition
@@ -1109,17 +1104,19 @@ proto.enableTransition = function(/* style */) {
   //   prop = vendorProperties[ prop ] || prop;
   //   transitionValues.push( toDashedAll( prop ) );
   // }
+  // munge number to millisecond, to match stagger
+  var duration = this.layout.options.transitionDuration;
+  duration = typeof duration == 'number' ? duration + 'ms' : duration;
   // enable transition styles
   this.css({
     transitionProperty: transitionProps,
-    transitionDuration: this.layout.options.transitionDuration
+    transitionDuration: duration,
+    transitionDelay: this.staggerDelay || 0
   });
   // listen for transition end event
   this.element.addEventListener( transitionEndEvent, this, false );
 };
 
-proto.transition = Item.prototype[ transitionProperty ? '_transition' : '_nonTransition' ];
-
 // ----- events ----- //
 
 proto.onwebkitTransitionEnd = function( event ) {
@@ -1188,7 +1185,8 @@ proto._removeStyles = function( style ) {
 
 var cleanTransitionStyle = {
   transitionProperty: '',
-  transitionDuration: ''
+  transitionDuration: '',
+  transitionDelay: ''
 };
 
 proto.removeTransitionStyles = function() {
@@ -1196,6 +1194,13 @@ proto.removeTransitionStyles = function() {
   this.css( cleanTransitionStyle );
 };
 
+// ----- stagger ----- //
+
+proto.stagger = function( delay ) {
+  delay = isNaN( delay ) ? 0 : delay;
+  this.staggerDelay = delay + 'ms';
+};
+
 // ----- show/hide/remove ----- //
 
 // remove element from DOM
@@ -1311,7 +1316,7 @@ return Item;
 }));
 
 /*!
- * Outlayer v2.0.0
+ * Outlayer v2.1.0
  * the brains and guts of a layout library
  * MIT license
  */
@@ -1660,11 +1665,23 @@ proto._getItemLayoutPosition = function( /* item */ ) {
  * @param {Array} queue
  */
 proto._processLayoutQueue = function( queue ) {
-  queue.forEach( function( obj ) {
-    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant );
+  this.updateStagger();
+  queue.forEach( function( obj, i ) {
+    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
   }, this );
 };
 
+// set stagger from option in milliseconds number
+proto.updateStagger = function() {
+  var stagger = this.options.stagger;
+  if ( stagger === null || stagger === undefined ) {
+    this.stagger = 0;
+    return;
+  }
+  this.stagger = getMilliseconds( stagger );
+  return this.stagger;
+};
+
 /**
  * Sets position of item in DOM
  * @param {Outlayer.Item} item
@@ -1672,11 +1689,12 @@ proto._processLayoutQueue = function( queue ) {
  * @param {Number} y - vertical position
  * @param {Boolean} isInstant - disables transitions
  */
-proto._positionItem = function( item, x, y, isInstant ) {
+proto._positionItem = function( item, x, y, isInstant, i ) {
   if ( isInstant ) {
     // if not transition, just set CSS
     item.goTo( x, y );
   } else {
+    item.stagger( i * this.stagger );
     item.moveTo( x, y );
   }
 };
@@ -2020,7 +2038,9 @@ proto.reveal = function( items ) {
   if ( !items || !items.length ) {
     return;
   }
-  items.forEach( function( item ) {
+  var stagger = this.updateStagger();
+  items.forEach( function( item, i ) {
+    item.stagger( i * stagger );
     item.reveal();
   });
 };
@@ -2034,7 +2054,9 @@ proto.hide = function( items ) {
   if ( !items || !items.length ) {
     return;
   }
-  items.forEach( function( item ) {
+  var stagger = this.updateStagger();
+  items.forEach( function( item, i ) {
+    item.stagger( i * stagger );
     item.hide();
   });
 };
@@ -2199,6 +2221,31 @@ function subclass( Parent ) {
   return SubClass;
 }
 
+// ----- helpers ----- //
+
+// how many milliseconds are in each unit
+var msUnits = {
+  ms: 1,
+  s: 1000
+};
+
+// munge time-like parameter into millisecond number
+// '0.4s' -> 40
+function getMilliseconds( time ) {
+  if ( typeof time == 'number' ) {
+    return time;
+  }
+  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
+  var num = matches && matches[1];
+  var unit = matches && matches[2];
+  if ( !num.length ) {
+    return 0;
+  }
+  num = parseFloat( num );
+  var mult = msUnits[ unit ] || 1;
+  return num * mult;
+}
+
 // ----- fin ----- //
 
 // back in global
@@ -2209,7 +2256,7 @@ return Outlayer;
 }));
 
 /*!
- * Masonry v4.0.0
+ * Masonry v4.1.0
  * Cascading grid layout library
  * http://masonry.desandro.com
  * MIT License
diff --git a/dist/masonry.pkgd.min.js b/dist/masonry.pkgd.min.js
index 05c63088..b2d4759b 100644
--- a/dist/masonry.pkgd.min.js
+++ b/dist/masonry.pkgd.min.js
@@ -1,9 +1,9 @@
 /*!
- * Masonry PACKAGED v4.0.0
+ * Masonry PACKAGED v4.1.0
  * Cascading grid layout library
  * http://masonry.desandro.com
  * MIT License
  * by David DeSandro
  */
 
-!function(t,e){"use strict";"function"==typeof define&&define.amd?define("jquery-bridget/jquery-bridget",["jquery"],function(i){e(t,i)}):"object"==typeof module&&module.exports?module.exports=e(t,require("jquery")):t.jQueryBridget=e(t,t.jQuery)}(window,function(t,e){"use strict";function i(i,r,a){function h(t,e,n){var o,r="$()."+i+'("'+e+'")';return t.each(function(t,h){var u=a.data(h,i);if(!u)return void s(i+" not initialized. Cannot call methods, i.e. "+r);var d=u[e];if(!d||"_"==e.charAt(0))return void s(r+" is not a valid method");var c=d.apply(u,n);o=void 0===o?c:o}),void 0!==o?o:t}function u(t,e){t.each(function(t,n){var o=a.data(n,i);o?(o.option(e),o._init()):(o=new r(n,e),a.data(n,i,o))})}a=a||e||t.jQuery,a&&(r.prototype.option||(r.prototype.option=function(t){a.isPlainObject(t)&&(this.options=a.extend(!0,this.options,t))}),a.fn[i]=function(t){if("string"==typeof t){var e=o.call(arguments,1);return h(this,t,e)}return u(this,t),this},n(a))}function n(t){!t||t&&t.bridget||(t.bridget=i)}var o=Array.prototype.slice,r=t.console,s="undefined"==typeof r?function(){}:function(t){r.error(t)};return n(e||t.jQuery),i}),function(t,e){"function"==typeof define&&define.amd?define("ev-emitter/ev-emitter",e):"object"==typeof module&&module.exports?module.exports=e():t.EvEmitter=e()}(this,function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var i=this._events=this._events||{},n=i[t]=i[t]||[];return-1==n.indexOf(e)&&n.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var i=this._onceEvents=this._onceEvents||{},n=i[t]=i[t]||[];return n[e]=!0,this}},e.off=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){var n=i.indexOf(e);return-1!=n&&i.splice(n,1),this}},e.emitEvent=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){var n=0,o=i[n];e=e||[];for(var r=this._onceEvents&&this._onceEvents[t];o;){var s=r&&r[o];s&&(this.off(t,o),delete r[o]),o.apply(this,e),n+=s?0:1,o=i[n]}return this}},t}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("get-size/get-size",[],function(){return e()}):"object"==typeof module&&module.exports?module.exports=e():t.getSize=e()}(window,function(){"use strict";function t(t){var e=parseFloat(t),i=-1==t.indexOf("%")&&!isNaN(e);return i&&e}function e(){}function i(){for(var t={width:0,height:0,innerWidth:0,innerHeight:0,outerWidth:0,outerHeight:0},e=0;u>e;e++){var i=h[e];t[i]=0}return t}function n(t){var e=getComputedStyle(t);return e||a("Style returned "+e+". Are you running this code in a hidden iframe on Firefox? See http://bit.ly/getsizebug1"),e}function o(){if(!d){d=!0;var e=document.createElement("div");e.style.width="200px",e.style.padding="1px 2px 3px 4px",e.style.borderStyle="solid",e.style.borderWidth="1px 2px 3px 4px",e.style.boxSizing="border-box";var i=document.body||document.documentElement;i.appendChild(e);var o=n(e);r.isBoxSizeOuter=s=200==t(o.width),i.removeChild(e)}}function r(e){if(o(),"string"==typeof e&&(e=document.querySelector(e)),e&&"object"==typeof e&&e.nodeType){var r=n(e);if("none"==r.display)return i();var a={};a.width=e.offsetWidth,a.height=e.offsetHeight;for(var d=a.isBorderBox="border-box"==r.boxSizing,c=0;u>c;c++){var l=h[c],f=r[l],m=parseFloat(f);a[l]=isNaN(m)?0:m}var p=a.paddingLeft+a.paddingRight,g=a.paddingTop+a.paddingBottom,y=a.marginLeft+a.marginRight,v=a.marginTop+a.marginBottom,_=a.borderLeftWidth+a.borderRightWidth,E=a.borderTopWidth+a.borderBottomWidth,z=d&&s,b=t(r.width);b!==!1&&(a.width=b+(z?0:p+_));var x=t(r.height);return x!==!1&&(a.height=x+(z?0:g+E)),a.innerWidth=a.width-(p+_),a.innerHeight=a.height-(g+E),a.outerWidth=a.width+y,a.outerHeight=a.height+v,a}}var s,a="undefined"==typeof console?e:function(t){console.error(t)},h=["paddingLeft","paddingRight","paddingTop","paddingBottom","marginLeft","marginRight","marginTop","marginBottom","borderLeftWidth","borderRightWidth","borderTopWidth","borderBottomWidth"],u=h.length,d=!1;return r}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("matches-selector/matches-selector",e):"object"==typeof module&&module.exports?module.exports=e():t.matchesSelector=e()}(window,function(){"use strict";var t=function(){var t=Element.prototype;if(t.matches)return"matches";if(t.matchesSelector)return"matchesSelector";for(var e=["webkit","moz","ms","o"],i=0;i<e.length;i++){var n=e[i],o=n+"MatchesSelector";if(t[o])return o}}();return function(e,i){return e[t](i)}}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("fizzy-ui-utils/utils",["matches-selector/matches-selector"],function(i){return e(t,i)}):"object"==typeof module&&module.exports?module.exports=e(t,require("desandro-matches-selector")):t.fizzyUIUtils=e(t,t.matchesSelector)}(window,function(t,e){var i={};i.extend=function(t,e){for(var i in e)t[i]=e[i];return t},i.modulo=function(t,e){return(t%e+e)%e},i.makeArray=function(t){var e=[];if(Array.isArray(t))e=t;else if(t&&"number"==typeof t.length)for(var i=0;i<t.length;i++)e.push(t[i]);else e.push(t);return e},i.removeFrom=function(t,e){var i=t.indexOf(e);-1!=i&&t.splice(i,1)},i.getParent=function(t,i){for(;t!=document.body;)if(t=t.parentNode,e(t,i))return t},i.getQueryElement=function(t){return"string"==typeof t?document.querySelector(t):t},i.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},i.filterFindElements=function(t,n){t=i.makeArray(t);var o=[];return t.forEach(function(t){if(t instanceof HTMLElement){if(!n)return void o.push(t);e(t,n)&&o.push(t);for(var i=t.querySelectorAll(n),r=0;r<i.length;r++)o.push(i[r])}}),o},i.debounceMethod=function(t,e,i){var n=t.prototype[e],o=e+"Timeout";t.prototype[e]=function(){var t=this[o];t&&clearTimeout(t);var e=arguments,r=this;this[o]=setTimeout(function(){n.apply(r,e),delete r[o]},i||100)}},i.docReady=function(t){"complete"==document.readyState?t():document.addEventListener("DOMContentLoaded",t)},i.toDashed=function(t){return t.replace(/(.)([A-Z])/g,function(t,e,i){return e+"-"+i}).toLowerCase()};var n=t.console;return i.htmlInit=function(e,o){i.docReady(function(){var r=i.toDashed(o),s="data-"+r,a=document.querySelectorAll("["+s+"]"),h=document.querySelectorAll(".js-"+r),u=i.makeArray(a).concat(i.makeArray(h)),d=s+"-options",c=t.jQuery;u.forEach(function(t){var i,r=t.getAttribute(s)||t.getAttribute(d);try{i=r&&JSON.parse(r)}catch(a){return void(n&&n.error("Error parsing "+s+" on "+t.className+": "+a))}var h=new e(t,i);c&&c.data(t,o,h)})})},i}),function(t,e){"function"==typeof define&&define.amd?define("outlayer/item",["ev-emitter/ev-emitter","get-size/get-size"],function(i,n){return e(t,i,n)}):"object"==typeof module&&module.exports?module.exports=e(t,require("ev-emitter"),require("get-size")):(t.Outlayer={},t.Outlayer.Item=e(t,t.EvEmitter,t.getSize))}(window,function(t,e,i){"use strict";function n(t){for(var e in t)return!1;return e=null,!0}function o(t,e){t&&(this.element=t,this.layout=e,this.position={x:0,y:0},this._create())}function r(t){return t.replace(/([A-Z])/g,function(t){return"-"+t.toLowerCase()})}var s=document.documentElement.style,a="string"==typeof s.transition?"transition":"WebkitTransition",h="string"==typeof s.transform?"transform":"WebkitTransform",u={WebkitTransition:"webkitTransitionEnd",transition:"transitionend"}[a],d=[h,a,a+"Duration",a+"Property"],c=o.prototype=Object.create(e.prototype);c.constructor=o,c._create=function(){this._transn={ingProperties:{},clean:{},onEnd:{}},this.css({position:"absolute"})},c.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},c.getSize=function(){this.size=i(this.element)},c.css=function(t){var e=this.element.style;for(var i in t){var n=d[i]||i;e[n]=t[i]}},c.getPosition=function(){var t=getComputedStyle(this.element),e=this.layout._getOption("originLeft"),i=this.layout._getOption("originTop"),n=t[e?"left":"right"],o=t[i?"top":"bottom"],r=this.layout.size,s=-1!=n.indexOf("%")?parseFloat(n)/100*r.width:parseInt(n,10),a=-1!=o.indexOf("%")?parseFloat(o)/100*r.height:parseInt(o,10);s=isNaN(s)?0:s,a=isNaN(a)?0:a,s-=e?r.paddingLeft:r.paddingRight,a-=i?r.paddingTop:r.paddingBottom,this.position.x=s,this.position.y=a},c.layoutPosition=function(){var t=this.layout.size,e={},i=this.layout._getOption("originLeft"),n=this.layout._getOption("originTop"),o=i?"paddingLeft":"paddingRight",r=i?"left":"right",s=i?"right":"left",a=this.position.x+t[o];e[r]=this.getXValue(a),e[s]="";var h=n?"paddingTop":"paddingBottom",u=n?"top":"bottom",d=n?"bottom":"top",c=this.position.y+t[h];e[u]=this.getYValue(c),e[d]="",this.css(e),this.emitEvent("layout",[this])},c.getXValue=function(t){var e=this.layout._getOption("horizontal");return this.layout.options.percentPosition&&!e?t/this.layout.size.width*100+"%":t+"px"},c.getYValue=function(t){var e=this.layout._getOption("horizontal");return this.layout.options.percentPosition&&e?t/this.layout.size.height*100+"%":t+"px"},c._transitionTo=function(t,e){this.getPosition();var i=this.position.x,n=this.position.y,o=parseInt(t,10),r=parseInt(e,10),s=o===this.position.x&&r===this.position.y;if(this.setPosition(t,e),s&&!this.isTransitioning)return void this.layoutPosition();var a=t-i,h=e-n,u={};u.transform=this.getTranslate(a,h),this.transition({to:u,onTransitionEnd:{transform:this.layoutPosition},isCleaning:!0})},c.getTranslate=function(t,e){var i=this.layout._getOption("originLeft"),n=this.layout._getOption("originTop");return t=i?t:-t,e=n?e:-e,"translate3d("+t+"px, "+e+"px, 0)"},c.goTo=function(t,e){this.setPosition(t,e),this.layoutPosition()},c.moveTo=c._transitionTo,c.setPosition=function(t,e){this.position.x=parseInt(t,10),this.position.y=parseInt(e,10)},c._nonTransition=function(t){this.css(t.to),t.isCleaning&&this._removeStyles(t.to);for(var e in t.onTransitionEnd)t.onTransitionEnd[e].call(this)},c._transition=function(t){if(!parseFloat(this.layout.options.transitionDuration))return void this._nonTransition(t);var e=this._transn;for(var i in t.onTransitionEnd)e.onEnd[i]=t.onTransitionEnd[i];for(i in t.to)e.ingProperties[i]=!0,t.isCleaning&&(e.clean[i]=!0);if(t.from){this.css(t.from);var n=this.element.offsetHeight;n=null}this.enableTransition(t.to),this.css(t.to),this.isTransitioning=!0};var l="opacity,"+r(d.transform||"transform");c.enableTransition=function(){this.isTransitioning||(this.css({transitionProperty:l,transitionDuration:this.layout.options.transitionDuration}),this.element.addEventListener(u,this,!1))},c.transition=o.prototype[a?"_transition":"_nonTransition"],c.onwebkitTransitionEnd=function(t){this.ontransitionend(t)},c.onotransitionend=function(t){this.ontransitionend(t)};var f={"-webkit-transform":"transform"};c.ontransitionend=function(t){if(t.target===this.element){var e=this._transn,i=f[t.propertyName]||t.propertyName;if(delete e.ingProperties[i],n(e.ingProperties)&&this.disableTransition(),i in e.clean&&(this.element.style[t.propertyName]="",delete e.clean[i]),i in e.onEnd){var o=e.onEnd[i];o.call(this),delete e.onEnd[i]}this.emitEvent("transitionEnd",[this])}},c.disableTransition=function(){this.removeTransitionStyles(),this.element.removeEventListener(u,this,!1),this.isTransitioning=!1},c._removeStyles=function(t){var e={};for(var i in t)e[i]="";this.css(e)};var m={transitionProperty:"",transitionDuration:""};return c.removeTransitionStyles=function(){this.css(m)},c.removeElem=function(){this.element.parentNode.removeChild(this.element),this.css({display:""}),this.emitEvent("remove",[this])},c.remove=function(){return a&&parseFloat(this.layout.options.transitionDuration)?(this.once("transitionEnd",function(){this.removeElem()}),void this.hide()):void this.removeElem()},c.reveal=function(){delete this.isHidden,this.css({display:""});var t=this.layout.options,e={},i=this.getHideRevealTransitionEndProperty("visibleStyle");e[i]=this.onRevealTransitionEnd,this.transition({from:t.hiddenStyle,to:t.visibleStyle,isCleaning:!0,onTransitionEnd:e})},c.onRevealTransitionEnd=function(){this.isHidden||this.emitEvent("reveal")},c.getHideRevealTransitionEndProperty=function(t){var e=this.layout.options[t];if(e.opacity)return"opacity";for(var i in e)return i},c.hide=function(){this.isHidden=!0,this.css({display:""});var t=this.layout.options,e={},i=this.getHideRevealTransitionEndProperty("hiddenStyle");e[i]=this.onHideTransitionEnd,this.transition({from:t.visibleStyle,to:t.hiddenStyle,isCleaning:!0,onTransitionEnd:e})},c.onHideTransitionEnd=function(){this.isHidden&&(this.css({display:"none"}),this.emitEvent("hide"))},c.destroy=function(){this.css({position:"",left:"",right:"",top:"",bottom:"",transition:"",transform:""})},o}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("outlayer/outlayer",["ev-emitter/ev-emitter","get-size/get-size","fizzy-ui-utils/utils","./item"],function(i,n,o,r){return e(t,i,n,o,r)}):"object"==typeof module&&module.exports?module.exports=e(t,require("ev-emitter"),require("get-size"),require("fizzy-ui-utils"),require("./item")):t.Outlayer=e(t,t.EvEmitter,t.getSize,t.fizzyUIUtils,t.Outlayer.Item)}(window,function(t,e,i,n,o){"use strict";function r(t,e){var i=n.getQueryElement(t);if(!i)return void(a&&a.error("Bad element for "+this.constructor.namespace+": "+(i||t)));this.element=i,h&&(this.$element=h(this.element)),this.options=n.extend({},this.constructor.defaults),this.option(e);var o=++d;this.element.outlayerGUID=o,c[o]=this,this._create();var r=this._getOption("initLayout");r&&this.layout()}function s(t){function e(){t.apply(this,arguments)}return e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e}var a=t.console,h=t.jQuery,u=function(){},d=0,c={};r.namespace="outlayer",r.Item=o,r.defaults={containerStyle:{position:"relative"},initLayout:!0,originLeft:!0,originTop:!0,resize:!0,resizeContainer:!0,transitionDuration:"0.4s",hiddenStyle:{opacity:0,transform:"scale(0.001)"},visibleStyle:{opacity:1,transform:"scale(1)"}};var l=r.prototype;return n.extend(l,e.prototype),l.option=function(t){n.extend(this.options,t)},l._getOption=function(t){var e=this.constructor.compatOptions[t];return e&&void 0!==this.options[e]?this.options[e]:this.options[t]},r.compatOptions={initLayout:"isInitLayout",horizontal:"isHorizontal",layoutInstant:"isLayoutInstant",originLeft:"isOriginLeft",originTop:"isOriginTop",resize:"isResizeBound",resizeContainer:"isResizingContainer"},l._create=function(){this.reloadItems(),this.stamps=[],this.stamp(this.options.stamp),n.extend(this.element.style,this.options.containerStyle);var t=this._getOption("resize");t&&this.bindResize()},l.reloadItems=function(){this.items=this._itemize(this.element.children)},l._itemize=function(t){for(var e=this._filterFindItemElements(t),i=this.constructor.Item,n=[],o=0;o<e.length;o++){var r=e[o],s=new i(r,this);n.push(s)}return n},l._filterFindItemElements=function(t){return n.filterFindElements(t,this.options.itemSelector)},l.getItemElements=function(){return this.items.map(function(t){return t.element})},l.layout=function(){this._resetLayout(),this._manageStamps();var t=this._getOption("layoutInstant"),e=void 0!==t?t:!this._isLayoutInited;this.layoutItems(this.items,e),this._isLayoutInited=!0},l._init=l.layout,l._resetLayout=function(){this.getSize()},l.getSize=function(){this.size=i(this.element)},l._getMeasurement=function(t,e){var n,o=this.options[t];o?("string"==typeof o?n=this.element.querySelector(o):o instanceof HTMLElement&&(n=o),this[t]=n?i(n)[e]:o):this[t]=0},l.layoutItems=function(t,e){t=this._getItemsForLayout(t),this._layoutItems(t,e),this._postLayout()},l._getItemsForLayout=function(t){return t.filter(function(t){return!t.isIgnored})},l._layoutItems=function(t,e){if(this._emitCompleteOnItems("layout",t),t&&t.length){var i=[];t.forEach(function(t){var n=this._getItemLayoutPosition(t);n.item=t,n.isInstant=e||t.isLayoutInstant,i.push(n)},this),this._processLayoutQueue(i)}},l._getItemLayoutPosition=function(){return{x:0,y:0}},l._processLayoutQueue=function(t){t.forEach(function(t){this._positionItem(t.item,t.x,t.y,t.isInstant)},this)},l._positionItem=function(t,e,i,n){n?t.goTo(e,i):t.moveTo(e,i)},l._postLayout=function(){this.resizeContainer()},l.resizeContainer=function(){var t=this._getOption("resizeContainer");if(t){var e=this._getContainerSize();e&&(this._setContainerMeasure(e.width,!0),this._setContainerMeasure(e.height,!1))}},l._getContainerSize=u,l._setContainerMeasure=function(t,e){if(void 0!==t){var i=this.size;i.isBorderBox&&(t+=e?i.paddingLeft+i.paddingRight+i.borderLeftWidth+i.borderRightWidth:i.paddingBottom+i.paddingTop+i.borderTopWidth+i.borderBottomWidth),t=Math.max(t,0),this.element.style[e?"width":"height"]=t+"px"}},l._emitCompleteOnItems=function(t,e){function i(){o.dispatchEvent(t+"Complete",null,[e])}function n(){s++,s==r&&i()}var o=this,r=e.length;if(!e||!r)return void i();var s=0;e.forEach(function(e){e.once(t,n)})},l.dispatchEvent=function(t,e,i){var n=e?[e].concat(i):i;if(this.emitEvent(t,n),h)if(this.$element=this.$element||h(this.element),e){var o=h.Event(e);o.type=t,this.$element.trigger(o,i)}else this.$element.trigger(t,i)},l.ignore=function(t){var e=this.getItem(t);e&&(e.isIgnored=!0)},l.unignore=function(t){var e=this.getItem(t);e&&delete e.isIgnored},l.stamp=function(t){t=this._find(t),t&&(this.stamps=this.stamps.concat(t),t.forEach(this.ignore,this))},l.unstamp=function(t){t=this._find(t),t&&t.forEach(function(t){n.removeFrom(this.stamps,t),this.unignore(t)},this)},l._find=function(t){return t?("string"==typeof t&&(t=this.element.querySelectorAll(t)),t=n.makeArray(t)):void 0},l._manageStamps=function(){this.stamps&&this.stamps.length&&(this._getBoundingRect(),this.stamps.forEach(this._manageStamp,this))},l._getBoundingRect=function(){var t=this.element.getBoundingClientRect(),e=this.size;this._boundingRect={left:t.left+e.paddingLeft+e.borderLeftWidth,top:t.top+e.paddingTop+e.borderTopWidth,right:t.right-(e.paddingRight+e.borderRightWidth),bottom:t.bottom-(e.paddingBottom+e.borderBottomWidth)}},l._manageStamp=u,l._getElementOffset=function(t){var e=t.getBoundingClientRect(),n=this._boundingRect,o=i(t),r={left:e.left-n.left-o.marginLeft,top:e.top-n.top-o.marginTop,right:n.right-e.right-o.marginRight,bottom:n.bottom-e.bottom-o.marginBottom};return r},l.handleEvent=n.handleEvent,l.bindResize=function(){t.addEventListener("resize",this),this.isResizeBound=!0},l.unbindResize=function(){t.removeEventListener("resize",this),this.isResizeBound=!1},l.onresize=function(){this.resize()},n.debounceMethod(r,"onresize",100),l.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&this.layout()},l.needsResizeLayout=function(){var t=i(this.element),e=this.size&&t;return e&&t.innerWidth!==this.size.innerWidth},l.addItems=function(t){var e=this._itemize(t);return e.length&&(this.items=this.items.concat(e)),e},l.appended=function(t){var e=this.addItems(t);e.length&&(this.layoutItems(e,!0),this.reveal(e))},l.prepended=function(t){var e=this._itemize(t);if(e.length){var i=this.items.slice(0);this.items=e.concat(i),this._resetLayout(),this._manageStamps(),this.layoutItems(e,!0),this.reveal(e),this.layoutItems(i)}},l.reveal=function(t){this._emitCompleteOnItems("reveal",t),t&&t.length&&t.forEach(function(t){t.reveal()})},l.hide=function(t){this._emitCompleteOnItems("hide",t),t&&t.length&&t.forEach(function(t){t.hide()})},l.revealItemElements=function(t){var e=this.getItems(t);this.reveal(e)},l.hideItemElements=function(t){var e=this.getItems(t);this.hide(e)},l.getItem=function(t){for(var e=0;e<this.items.length;e++){var i=this.items[e];if(i.element==t)return i}},l.getItems=function(t){t=n.makeArray(t);var e=[];return t.forEach(function(t){var i=this.getItem(t);i&&e.push(i)},this),e},l.remove=function(t){var e=this.getItems(t);this._emitCompleteOnItems("remove",e),e&&e.length&&e.forEach(function(t){t.remove(),n.removeFrom(this.items,t)},this)},l.destroy=function(){var t=this.element.style;t.height="",t.position="",t.width="",this.items.forEach(function(t){t.destroy()}),this.unbindResize();var e=this.element.outlayerGUID;delete c[e],delete this.element.outlayerGUID,h&&h.removeData(this.element,this.constructor.namespace)},r.data=function(t){t=n.getQueryElement(t);var e=t&&t.outlayerGUID;return e&&c[e]},r.create=function(t,e){var i=s(r);return i.defaults=n.extend({},r.defaults),n.extend(i.defaults,e),i.compatOptions=n.extend({},r.compatOptions),i.namespace=t,i.data=r.data,i.Item=s(o),n.htmlInit(i,t),h&&h.bridget&&h.bridget(t,i),i},r.Item=o,r}),function(t,e){"function"==typeof define&&define.amd?define(["outlayer/outlayer","get-size/get-size"],e):"object"==typeof module&&module.exports?module.exports=e(require("outlayer"),require("get-size")):t.Masonry=e(t.Outlayer,t.getSize)}(window,function(t,e){var i=t.create("masonry");return i.compatOptions.fitWidth="isFitWidth",i.prototype._resetLayout=function(){this.getSize(),this._getMeasurement("columnWidth","outerWidth"),this._getMeasurement("gutter","outerWidth"),this.measureColumns(),this.colYs=[];for(var t=0;t<this.cols;t++)this.colYs.push(0);this.maxY=0},i.prototype.measureColumns=function(){if(this.getContainerWidth(),!this.columnWidth){var t=this.items[0],i=t&&t.element;this.columnWidth=i&&e(i).outerWidth||this.containerWidth}var n=this.columnWidth+=this.gutter,o=this.containerWidth+this.gutter,r=o/n,s=n-o%n,a=s&&1>s?"round":"floor";r=Math[a](r),this.cols=Math.max(r,1)},i.prototype.getContainerWidth=function(){var t=this._getOption("fitWidth"),i=t?this.element.parentNode:this.element,n=e(i);this.containerWidth=n&&n.innerWidth},i.prototype._getItemLayoutPosition=function(t){t.getSize();var e=t.size.outerWidth%this.columnWidth,i=e&&1>e?"round":"ceil",n=Math[i](t.size.outerWidth/this.columnWidth);n=Math.min(n,this.cols);for(var o=this._getColGroup(n),r=Math.min.apply(Math,o),s=o.indexOf(r),a={x:this.columnWidth*s,y:r},h=r+t.size.outerHeight,u=this.cols+1-o.length,d=0;u>d;d++)this.colYs[s+d]=h;return a},i.prototype._getColGroup=function(t){if(2>t)return this.colYs;for(var e=[],i=this.cols+1-t,n=0;i>n;n++){var o=this.colYs.slice(n,n+t);e[n]=Math.max.apply(Math,o)}return e},i.prototype._manageStamp=function(t){var i=e(t),n=this._getElementOffset(t),o=this._getOption("originLeft"),r=o?n.left:n.right,s=r+i.outerWidth,a=Math.floor(r/this.columnWidth);a=Math.max(0,a);var h=Math.floor(s/this.columnWidth);h-=s%this.columnWidth?0:1,h=Math.min(this.cols-1,h);for(var u=this._getOption("originTop"),d=(u?n.top:n.bottom)+i.outerHeight,c=a;h>=c;c++)this.colYs[c]=Math.max(d,this.colYs[c])},i.prototype._getContainerSize=function(){this.maxY=Math.max.apply(Math,this.colYs);var t={height:this.maxY};return this._getOption("fitWidth")&&(t.width=this._getContainerFitWidth()),t},i.prototype._getContainerFitWidth=function(){for(var t=0,e=this.cols;--e&&0===this.colYs[e];)t++;return(this.cols-t)*this.columnWidth-this.gutter},i.prototype.needsResizeLayout=function(){var t=this.containerWidth;return this.getContainerWidth(),t!=this.containerWidth},i});
\ No newline at end of file
+!function(t,e){"use strict";"function"==typeof define&&define.amd?define("jquery-bridget/jquery-bridget",["jquery"],function(i){e(t,i)}):"object"==typeof module&&module.exports?module.exports=e(t,require("jquery")):t.jQueryBridget=e(t,t.jQuery)}(window,function(t,e){"use strict";function i(i,r,a){function h(t,e,n){var o,r="$()."+i+'("'+e+'")';return t.each(function(t,h){var u=a.data(h,i);if(!u)return void s(i+" not initialized. Cannot call methods, i.e. "+r);var d=u[e];if(!d||"_"==e.charAt(0))return void s(r+" is not a valid method");var l=d.apply(u,n);o=void 0===o?l:o}),void 0!==o?o:t}function u(t,e){t.each(function(t,n){var o=a.data(n,i);o?(o.option(e),o._init()):(o=new r(n,e),a.data(n,i,o))})}a=a||e||t.jQuery,a&&(r.prototype.option||(r.prototype.option=function(t){a.isPlainObject(t)&&(this.options=a.extend(!0,this.options,t))}),a.fn[i]=function(t){if("string"==typeof t){var e=o.call(arguments,1);return h(this,t,e)}return u(this,t),this},n(a))}function n(t){!t||t&&t.bridget||(t.bridget=i)}var o=Array.prototype.slice,r=t.console,s="undefined"==typeof r?function(){}:function(t){r.error(t)};return n(e||t.jQuery),i}),function(t,e){"function"==typeof define&&define.amd?define("ev-emitter/ev-emitter",e):"object"==typeof module&&module.exports?module.exports=e():t.EvEmitter=e()}(this,function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var i=this._events=this._events||{},n=i[t]=i[t]||[];return-1==n.indexOf(e)&&n.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var i=this._onceEvents=this._onceEvents||{},n=i[t]=i[t]||{};return n[e]=!0,this}},e.off=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){var n=i.indexOf(e);return-1!=n&&i.splice(n,1),this}},e.emitEvent=function(t,e){var i=this._events&&this._events[t];if(i&&i.length){var n=0,o=i[n];e=e||[];for(var r=this._onceEvents&&this._onceEvents[t];o;){var s=r&&r[o];s&&(this.off(t,o),delete r[o]),o.apply(this,e),n+=s?0:1,o=i[n]}return this}},t}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("get-size/get-size",[],function(){return e()}):"object"==typeof module&&module.exports?module.exports=e():t.getSize=e()}(window,function(){"use strict";function t(t){var e=parseFloat(t),i=-1==t.indexOf("%")&&!isNaN(e);return i&&e}function e(){}function i(){for(var t={width:0,height:0,innerWidth:0,innerHeight:0,outerWidth:0,outerHeight:0},e=0;u>e;e++){var i=h[e];t[i]=0}return t}function n(t){var e=getComputedStyle(t);return e||a("Style returned "+e+". Are you running this code in a hidden iframe on Firefox? See http://bit.ly/getsizebug1"),e}function o(){if(!d){d=!0;var e=document.createElement("div");e.style.width="200px",e.style.padding="1px 2px 3px 4px",e.style.borderStyle="solid",e.style.borderWidth="1px 2px 3px 4px",e.style.boxSizing="border-box";var i=document.body||document.documentElement;i.appendChild(e);var o=n(e);r.isBoxSizeOuter=s=200==t(o.width),i.removeChild(e)}}function r(e){if(o(),"string"==typeof e&&(e=document.querySelector(e)),e&&"object"==typeof e&&e.nodeType){var r=n(e);if("none"==r.display)return i();var a={};a.width=e.offsetWidth,a.height=e.offsetHeight;for(var d=a.isBorderBox="border-box"==r.boxSizing,l=0;u>l;l++){var c=h[l],f=r[c],m=parseFloat(f);a[c]=isNaN(m)?0:m}var p=a.paddingLeft+a.paddingRight,g=a.paddingTop+a.paddingBottom,y=a.marginLeft+a.marginRight,v=a.marginTop+a.marginBottom,_=a.borderLeftWidth+a.borderRightWidth,E=a.borderTopWidth+a.borderBottomWidth,z=d&&s,b=t(r.width);b!==!1&&(a.width=b+(z?0:p+_));var x=t(r.height);return x!==!1&&(a.height=x+(z?0:g+E)),a.innerWidth=a.width-(p+_),a.innerHeight=a.height-(g+E),a.outerWidth=a.width+y,a.outerHeight=a.height+v,a}}var s,a="undefined"==typeof console?e:function(t){console.error(t)},h=["paddingLeft","paddingRight","paddingTop","paddingBottom","marginLeft","marginRight","marginTop","marginBottom","borderLeftWidth","borderRightWidth","borderTopWidth","borderBottomWidth"],u=h.length,d=!1;return r}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("desandro-matches-selector/matches-selector",e):"object"==typeof module&&module.exports?module.exports=e():t.matchesSelector=e()}(window,function(){"use strict";var t=function(){var t=Element.prototype;if(t.matches)return"matches";if(t.matchesSelector)return"matchesSelector";for(var e=["webkit","moz","ms","o"],i=0;i<e.length;i++){var n=e[i],o=n+"MatchesSelector";if(t[o])return o}}();return function(e,i){return e[t](i)}}),function(t,e){"function"==typeof define&&define.amd?define("fizzy-ui-utils/utils",["desandro-matches-selector/matches-selector"],function(i){return e(t,i)}):"object"==typeof module&&module.exports?module.exports=e(t,require("desandro-matches-selector")):t.fizzyUIUtils=e(t,t.matchesSelector)}(window,function(t,e){var i={};i.extend=function(t,e){for(var i in e)t[i]=e[i];return t},i.modulo=function(t,e){return(t%e+e)%e},i.makeArray=function(t){var e=[];if(Array.isArray(t))e=t;else if(t&&"number"==typeof t.length)for(var i=0;i<t.length;i++)e.push(t[i]);else e.push(t);return e},i.removeFrom=function(t,e){var i=t.indexOf(e);-1!=i&&t.splice(i,1)},i.getParent=function(t,i){for(;t!=document.body;)if(t=t.parentNode,e(t,i))return t},i.getQueryElement=function(t){return"string"==typeof t?document.querySelector(t):t},i.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},i.filterFindElements=function(t,n){t=i.makeArray(t);var o=[];return t.forEach(function(t){if(t instanceof HTMLElement){if(!n)return void o.push(t);e(t,n)&&o.push(t);for(var i=t.querySelectorAll(n),r=0;r<i.length;r++)o.push(i[r])}}),o},i.debounceMethod=function(t,e,i){var n=t.prototype[e],o=e+"Timeout";t.prototype[e]=function(){var t=this[o];t&&clearTimeout(t);var e=arguments,r=this;this[o]=setTimeout(function(){n.apply(r,e),delete r[o]},i||100)}},i.docReady=function(t){"complete"==document.readyState?t():document.addEventListener("DOMContentLoaded",t)},i.toDashed=function(t){return t.replace(/(.)([A-Z])/g,function(t,e,i){return e+"-"+i}).toLowerCase()};var n=t.console;return i.htmlInit=function(e,o){i.docReady(function(){var r=i.toDashed(o),s="data-"+r,a=document.querySelectorAll("["+s+"]"),h=document.querySelectorAll(".js-"+r),u=i.makeArray(a).concat(i.makeArray(h)),d=s+"-options",l=t.jQuery;u.forEach(function(t){var i,r=t.getAttribute(s)||t.getAttribute(d);try{i=r&&JSON.parse(r)}catch(a){return void(n&&n.error("Error parsing "+s+" on "+t.className+": "+a))}var h=new e(t,i);l&&l.data(t,o,h)})})},i}),function(t,e){"function"==typeof define&&define.amd?define("outlayer/item",["ev-emitter/ev-emitter","get-size/get-size"],e):"object"==typeof module&&module.exports?module.exports=e(require("ev-emitter"),require("get-size")):(t.Outlayer={},t.Outlayer.Item=e(t.EvEmitter,t.getSize))}(window,function(t,e){"use strict";function i(t){for(var e in t)return!1;return e=null,!0}function n(t,e){t&&(this.element=t,this.layout=e,this.position={x:0,y:0},this._create())}function o(t){return t.replace(/([A-Z])/g,function(t){return"-"+t.toLowerCase()})}var r=document.documentElement.style,s="string"==typeof r.transition?"transition":"WebkitTransition",a="string"==typeof r.transform?"transform":"WebkitTransform",h={WebkitTransition:"webkitTransitionEnd",transition:"transitionend"}[s],u={transform:a,transition:s,transitionDuration:s+"Duration",transitionProperty:s+"Property",transitionDelay:s+"Delay"},d=n.prototype=Object.create(t.prototype);d.constructor=n,d._create=function(){this._transn={ingProperties:{},clean:{},onEnd:{}},this.css({position:"absolute"})},d.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},d.getSize=function(){this.size=e(this.element)},d.css=function(t){var e=this.element.style;for(var i in t){var n=u[i]||i;e[n]=t[i]}},d.getPosition=function(){var t=getComputedStyle(this.element),e=this.layout._getOption("originLeft"),i=this.layout._getOption("originTop"),n=t[e?"left":"right"],o=t[i?"top":"bottom"],r=this.layout.size,s=-1!=n.indexOf("%")?parseFloat(n)/100*r.width:parseInt(n,10),a=-1!=o.indexOf("%")?parseFloat(o)/100*r.height:parseInt(o,10);s=isNaN(s)?0:s,a=isNaN(a)?0:a,s-=e?r.paddingLeft:r.paddingRight,a-=i?r.paddingTop:r.paddingBottom,this.position.x=s,this.position.y=a},d.layoutPosition=function(){var t=this.layout.size,e={},i=this.layout._getOption("originLeft"),n=this.layout._getOption("originTop"),o=i?"paddingLeft":"paddingRight",r=i?"left":"right",s=i?"right":"left",a=this.position.x+t[o];e[r]=this.getXValue(a),e[s]="";var h=n?"paddingTop":"paddingBottom",u=n?"top":"bottom",d=n?"bottom":"top",l=this.position.y+t[h];e[u]=this.getYValue(l),e[d]="",this.css(e),this.emitEvent("layout",[this])},d.getXValue=function(t){var e=this.layout._getOption("horizontal");return this.layout.options.percentPosition&&!e?t/this.layout.size.width*100+"%":t+"px"},d.getYValue=function(t){var e=this.layout._getOption("horizontal");return this.layout.options.percentPosition&&e?t/this.layout.size.height*100+"%":t+"px"},d._transitionTo=function(t,e){this.getPosition();var i=this.position.x,n=this.position.y,o=parseInt(t,10),r=parseInt(e,10),s=o===this.position.x&&r===this.position.y;if(this.setPosition(t,e),s&&!this.isTransitioning)return void this.layoutPosition();var a=t-i,h=e-n,u={};u.transform=this.getTranslate(a,h),this.transition({to:u,onTransitionEnd:{transform:this.layoutPosition},isCleaning:!0})},d.getTranslate=function(t,e){var i=this.layout._getOption("originLeft"),n=this.layout._getOption("originTop");return t=i?t:-t,e=n?e:-e,"translate3d("+t+"px, "+e+"px, 0)"},d.goTo=function(t,e){this.setPosition(t,e),this.layoutPosition()},d.moveTo=d._transitionTo,d.setPosition=function(t,e){this.position.x=parseInt(t,10),this.position.y=parseInt(e,10)},d._nonTransition=function(t){this.css(t.to),t.isCleaning&&this._removeStyles(t.to);for(var e in t.onTransitionEnd)t.onTransitionEnd[e].call(this)},d.transition=function(t){if(!parseFloat(this.layout.options.transitionDuration))return void this._nonTransition(t);var e=this._transn;for(var i in t.onTransitionEnd)e.onEnd[i]=t.onTransitionEnd[i];for(i in t.to)e.ingProperties[i]=!0,t.isCleaning&&(e.clean[i]=!0);if(t.from){this.css(t.from);var n=this.element.offsetHeight;n=null}this.enableTransition(t.to),this.css(t.to),this.isTransitioning=!0};var l="opacity,"+o(a);d.enableTransition=function(){if(!this.isTransitioning){var t=this.layout.options.transitionDuration;t="number"==typeof t?t+"ms":t,this.css({transitionProperty:l,transitionDuration:t,transitionDelay:this.staggerDelay||0}),this.element.addEventListener(h,this,!1)}},d.onwebkitTransitionEnd=function(t){this.ontransitionend(t)},d.onotransitionend=function(t){this.ontransitionend(t)};var c={"-webkit-transform":"transform"};d.ontransitionend=function(t){if(t.target===this.element){var e=this._transn,n=c[t.propertyName]||t.propertyName;if(delete e.ingProperties[n],i(e.ingProperties)&&this.disableTransition(),n in e.clean&&(this.element.style[t.propertyName]="",delete e.clean[n]),n in e.onEnd){var o=e.onEnd[n];o.call(this),delete e.onEnd[n]}this.emitEvent("transitionEnd",[this])}},d.disableTransition=function(){this.removeTransitionStyles(),this.element.removeEventListener(h,this,!1),this.isTransitioning=!1},d._removeStyles=function(t){var e={};for(var i in t)e[i]="";this.css(e)};var f={transitionProperty:"",transitionDuration:"",transitionDelay:""};return d.removeTransitionStyles=function(){this.css(f)},d.stagger=function(t){t=isNaN(t)?0:t,this.staggerDelay=t+"ms"},d.removeElem=function(){this.element.parentNode.removeChild(this.element),this.css({display:""}),this.emitEvent("remove",[this])},d.remove=function(){return s&&parseFloat(this.layout.options.transitionDuration)?(this.once("transitionEnd",function(){this.removeElem()}),void this.hide()):void this.removeElem()},d.reveal=function(){delete this.isHidden,this.css({display:""});var t=this.layout.options,e={},i=this.getHideRevealTransitionEndProperty("visibleStyle");e[i]=this.onRevealTransitionEnd,this.transition({from:t.hiddenStyle,to:t.visibleStyle,isCleaning:!0,onTransitionEnd:e})},d.onRevealTransitionEnd=function(){this.isHidden||this.emitEvent("reveal")},d.getHideRevealTransitionEndProperty=function(t){var e=this.layout.options[t];if(e.opacity)return"opacity";for(var i in e)return i},d.hide=function(){this.isHidden=!0,this.css({display:""});var t=this.layout.options,e={},i=this.getHideRevealTransitionEndProperty("hiddenStyle");e[i]=this.onHideTransitionEnd,this.transition({from:t.visibleStyle,to:t.hiddenStyle,isCleaning:!0,onTransitionEnd:e})},d.onHideTransitionEnd=function(){this.isHidden&&(this.css({display:"none"}),this.emitEvent("hide"))},d.destroy=function(){this.css({position:"",left:"",right:"",top:"",bottom:"",transition:"",transform:""})},n}),function(t,e){"use strict";"function"==typeof define&&define.amd?define("outlayer/outlayer",["ev-emitter/ev-emitter","get-size/get-size","fizzy-ui-utils/utils","./item"],function(i,n,o,r){return e(t,i,n,o,r)}):"object"==typeof module&&module.exports?module.exports=e(t,require("ev-emitter"),require("get-size"),require("fizzy-ui-utils"),require("./item")):t.Outlayer=e(t,t.EvEmitter,t.getSize,t.fizzyUIUtils,t.Outlayer.Item)}(window,function(t,e,i,n,o){"use strict";function r(t,e){var i=n.getQueryElement(t);if(!i)return void(h&&h.error("Bad element for "+this.constructor.namespace+": "+(i||t)));this.element=i,u&&(this.$element=u(this.element)),this.options=n.extend({},this.constructor.defaults),this.option(e);var o=++l;this.element.outlayerGUID=o,c[o]=this,this._create();var r=this._getOption("initLayout");r&&this.layout()}function s(t){function e(){t.apply(this,arguments)}return e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e}function a(t){if("number"==typeof t)return t;var e=t.match(/(^\d*\.?\d*)(\w*)/),i=e&&e[1],n=e&&e[2];if(!i.length)return 0;i=parseFloat(i);var o=m[n]||1;return i*o}var h=t.console,u=t.jQuery,d=function(){},l=0,c={};r.namespace="outlayer",r.Item=o,r.defaults={containerStyle:{position:"relative"},initLayout:!0,originLeft:!0,originTop:!0,resize:!0,resizeContainer:!0,transitionDuration:"0.4s",hiddenStyle:{opacity:0,transform:"scale(0.001)"},visibleStyle:{opacity:1,transform:"scale(1)"}};var f=r.prototype;n.extend(f,e.prototype),f.option=function(t){n.extend(this.options,t)},f._getOption=function(t){var e=this.constructor.compatOptions[t];return e&&void 0!==this.options[e]?this.options[e]:this.options[t]},r.compatOptions={initLayout:"isInitLayout",horizontal:"isHorizontal",layoutInstant:"isLayoutInstant",originLeft:"isOriginLeft",originTop:"isOriginTop",resize:"isResizeBound",resizeContainer:"isResizingContainer"},f._create=function(){this.reloadItems(),this.stamps=[],this.stamp(this.options.stamp),n.extend(this.element.style,this.options.containerStyle);var t=this._getOption("resize");t&&this.bindResize()},f.reloadItems=function(){this.items=this._itemize(this.element.children)},f._itemize=function(t){for(var e=this._filterFindItemElements(t),i=this.constructor.Item,n=[],o=0;o<e.length;o++){var r=e[o],s=new i(r,this);n.push(s)}return n},f._filterFindItemElements=function(t){return n.filterFindElements(t,this.options.itemSelector)},f.getItemElements=function(){return this.items.map(function(t){return t.element})},f.layout=function(){this._resetLayout(),this._manageStamps();var t=this._getOption("layoutInstant"),e=void 0!==t?t:!this._isLayoutInited;this.layoutItems(this.items,e),this._isLayoutInited=!0},f._init=f.layout,f._resetLayout=function(){this.getSize()},f.getSize=function(){this.size=i(this.element)},f._getMeasurement=function(t,e){var n,o=this.options[t];o?("string"==typeof o?n=this.element.querySelector(o):o instanceof HTMLElement&&(n=o),this[t]=n?i(n)[e]:o):this[t]=0},f.layoutItems=function(t,e){t=this._getItemsForLayout(t),this._layoutItems(t,e),this._postLayout()},f._getItemsForLayout=function(t){return t.filter(function(t){return!t.isIgnored})},f._layoutItems=function(t,e){if(this._emitCompleteOnItems("layout",t),t&&t.length){var i=[];t.forEach(function(t){var n=this._getItemLayoutPosition(t);n.item=t,n.isInstant=e||t.isLayoutInstant,i.push(n)},this),this._processLayoutQueue(i)}},f._getItemLayoutPosition=function(){return{x:0,y:0}},f._processLayoutQueue=function(t){this.updateStagger(),t.forEach(function(t,e){this._positionItem(t.item,t.x,t.y,t.isInstant,e)},this)},f.updateStagger=function(){var t=this.options.stagger;return null===t||void 0===t?void(this.stagger=0):(this.stagger=a(t),this.stagger)},f._positionItem=function(t,e,i,n,o){n?t.goTo(e,i):(t.stagger(o*this.stagger),t.moveTo(e,i))},f._postLayout=function(){this.resizeContainer()},f.resizeContainer=function(){var t=this._getOption("resizeContainer");if(t){var e=this._getContainerSize();e&&(this._setContainerMeasure(e.width,!0),this._setContainerMeasure(e.height,!1))}},f._getContainerSize=d,f._setContainerMeasure=function(t,e){if(void 0!==t){var i=this.size;i.isBorderBox&&(t+=e?i.paddingLeft+i.paddingRight+i.borderLeftWidth+i.borderRightWidth:i.paddingBottom+i.paddingTop+i.borderTopWidth+i.borderBottomWidth),t=Math.max(t,0),this.element.style[e?"width":"height"]=t+"px"}},f._emitCompleteOnItems=function(t,e){function i(){o.dispatchEvent(t+"Complete",null,[e])}function n(){s++,s==r&&i()}var o=this,r=e.length;if(!e||!r)return void i();var s=0;e.forEach(function(e){e.once(t,n)})},f.dispatchEvent=function(t,e,i){var n=e?[e].concat(i):i;if(this.emitEvent(t,n),u)if(this.$element=this.$element||u(this.element),e){var o=u.Event(e);o.type=t,this.$element.trigger(o,i)}else this.$element.trigger(t,i)},f.ignore=function(t){var e=this.getItem(t);e&&(e.isIgnored=!0)},f.unignore=function(t){var e=this.getItem(t);e&&delete e.isIgnored},f.stamp=function(t){t=this._find(t),t&&(this.stamps=this.stamps.concat(t),t.forEach(this.ignore,this))},f.unstamp=function(t){t=this._find(t),t&&t.forEach(function(t){n.removeFrom(this.stamps,t),this.unignore(t)},this)},f._find=function(t){return t?("string"==typeof t&&(t=this.element.querySelectorAll(t)),t=n.makeArray(t)):void 0},f._manageStamps=function(){this.stamps&&this.stamps.length&&(this._getBoundingRect(),this.stamps.forEach(this._manageStamp,this))},f._getBoundingRect=function(){var t=this.element.getBoundingClientRect(),e=this.size;this._boundingRect={left:t.left+e.paddingLeft+e.borderLeftWidth,top:t.top+e.paddingTop+e.borderTopWidth,right:t.right-(e.paddingRight+e.borderRightWidth),bottom:t.bottom-(e.paddingBottom+e.borderBottomWidth)}},f._manageStamp=d,f._getElementOffset=function(t){var e=t.getBoundingClientRect(),n=this._boundingRect,o=i(t),r={left:e.left-n.left-o.marginLeft,top:e.top-n.top-o.marginTop,right:n.right-e.right-o.marginRight,bottom:n.bottom-e.bottom-o.marginBottom};return r},f.handleEvent=n.handleEvent,f.bindResize=function(){t.addEventListener("resize",this),this.isResizeBound=!0},f.unbindResize=function(){t.removeEventListener("resize",this),this.isResizeBound=!1},f.onresize=function(){this.resize()},n.debounceMethod(r,"onresize",100),f.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&this.layout()},f.needsResizeLayout=function(){var t=i(this.element),e=this.size&&t;return e&&t.innerWidth!==this.size.innerWidth},f.addItems=function(t){var e=this._itemize(t);return e.length&&(this.items=this.items.concat(e)),e},f.appended=function(t){var e=this.addItems(t);e.length&&(this.layoutItems(e,!0),this.reveal(e))},f.prepended=function(t){var e=this._itemize(t);if(e.length){var i=this.items.slice(0);this.items=e.concat(i),this._resetLayout(),this._manageStamps(),this.layoutItems(e,!0),this.reveal(e),this.layoutItems(i)}},f.reveal=function(t){if(this._emitCompleteOnItems("reveal",t),t&&t.length){var e=this.updateStagger();t.forEach(function(t,i){t.stagger(i*e),t.reveal()})}},f.hide=function(t){if(this._emitCompleteOnItems("hide",t),t&&t.length){var e=this.updateStagger();t.forEach(function(t,i){t.stagger(i*e),t.hide()})}},f.revealItemElements=function(t){var e=this.getItems(t);this.reveal(e)},f.hideItemElements=function(t){var e=this.getItems(t);this.hide(e)},f.getItem=function(t){for(var e=0;e<this.items.length;e++){var i=this.items[e];if(i.element==t)return i}},f.getItems=function(t){t=n.makeArray(t);var e=[];return t.forEach(function(t){var i=this.getItem(t);i&&e.push(i)},this),e},f.remove=function(t){var e=this.getItems(t);this._emitCompleteOnItems("remove",e),e&&e.length&&e.forEach(function(t){t.remove(),n.removeFrom(this.items,t)},this)},f.destroy=function(){var t=this.element.style;t.height="",t.position="",t.width="",this.items.forEach(function(t){t.destroy()}),this.unbindResize();var e=this.element.outlayerGUID;delete c[e],delete this.element.outlayerGUID,u&&u.removeData(this.element,this.constructor.namespace)},r.data=function(t){t=n.getQueryElement(t);var e=t&&t.outlayerGUID;return e&&c[e]},r.create=function(t,e){var i=s(r);return i.defaults=n.extend({},r.defaults),n.extend(i.defaults,e),i.compatOptions=n.extend({},r.compatOptions),i.namespace=t,i.data=r.data,i.Item=s(o),n.htmlInit(i,t),u&&u.bridget&&u.bridget(t,i),i};var m={ms:1,s:1e3};return r.Item=o,r}),function(t,e){"function"==typeof define&&define.amd?define(["outlayer/outlayer","get-size/get-size"],e):"object"==typeof module&&module.exports?module.exports=e(require("outlayer"),require("get-size")):t.Masonry=e(t.Outlayer,t.getSize)}(window,function(t,e){var i=t.create("masonry");return i.compatOptions.fitWidth="isFitWidth",i.prototype._resetLayout=function(){this.getSize(),this._getMeasurement("columnWidth","outerWidth"),this._getMeasurement("gutter","outerWidth"),this.measureColumns(),this.colYs=[];for(var t=0;t<this.cols;t++)this.colYs.push(0);this.maxY=0},i.prototype.measureColumns=function(){if(this.getContainerWidth(),!this.columnWidth){var t=this.items[0],i=t&&t.element;this.columnWidth=i&&e(i).outerWidth||this.containerWidth}var n=this.columnWidth+=this.gutter,o=this.containerWidth+this.gutter,r=o/n,s=n-o%n,a=s&&1>s?"round":"floor";r=Math[a](r),this.cols=Math.max(r,1)},i.prototype.getContainerWidth=function(){var t=this._getOption("fitWidth"),i=t?this.element.parentNode:this.element,n=e(i);this.containerWidth=n&&n.innerWidth},i.prototype._getItemLayoutPosition=function(t){t.getSize();var e=t.size.outerWidth%this.columnWidth,i=e&&1>e?"round":"ceil",n=Math[i](t.size.outerWidth/this.columnWidth);n=Math.min(n,this.cols);for(var o=this._getColGroup(n),r=Math.min.apply(Math,o),s=o.indexOf(r),a={x:this.columnWidth*s,y:r},h=r+t.size.outerHeight,u=this.cols+1-o.length,d=0;u>d;d++)this.colYs[s+d]=h;return a},i.prototype._getColGroup=function(t){if(2>t)return this.colYs;for(var e=[],i=this.cols+1-t,n=0;i>n;n++){var o=this.colYs.slice(n,n+t);e[n]=Math.max.apply(Math,o)}return e},i.prototype._manageStamp=function(t){var i=e(t),n=this._getElementOffset(t),o=this._getOption("originLeft"),r=o?n.left:n.right,s=r+i.outerWidth,a=Math.floor(r/this.columnWidth);a=Math.max(0,a);var h=Math.floor(s/this.columnWidth);h-=s%this.columnWidth?0:1,h=Math.min(this.cols-1,h);for(var u=this._getOption("originTop"),d=(u?n.top:n.bottom)+i.outerHeight,l=a;h>=l;l++)this.colYs[l]=Math.max(d,this.colYs[l])},i.prototype._getContainerSize=function(){this.maxY=Math.max.apply(Math,this.colYs);var t={height:this.maxY};return this._getOption("fitWidth")&&(t.width=this._getContainerFitWidth()),t},i.prototype._getContainerFitWidth=function(){for(var t=0,e=this.cols;--e&&0===this.colYs[e];)t++;return(this.cols-t)*this.columnWidth-this.gutter},i.prototype.needsResizeLayout=function(){var t=this.containerWidth;return this.getContainerWidth(),t!=this.containerWidth},i});
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index 1dce15e6..3be2703d 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -100,6 +100,8 @@ gulp.task( 'uglify', [ 'requirejs' ], function() {
 // set version in source files
 
 var minimist = require('minimist');
+var gutil = require('gulp-util');
+var chalk = require('chalk');
 
 // use gulp version -t 1.2.3
 gulp.task( 'version', function() {
@@ -120,7 +122,7 @@ gulp.task( 'version', function() {
     .pipe( gulp.dest('.') );
   // replace CDN links in README
   var minorVersion = version.match( /^\d\.\d+/ )[0];
-  gulp.src('README.mdown')
+  gulp.src('README.md')
     .pipe( replace( /masonry\-layout@\d\.\d+/g, 'masonry-layout@' + minorVersion ))
     .pipe( gulp.dest('.') );
 });
diff --git a/masonry.js b/masonry.js
index 30901774..7aa8025f 100644
--- a/masonry.js
+++ b/masonry.js
@@ -1,5 +1,5 @@
 /*!
- * Masonry v4.0.0
+ * Masonry v4.1.0
  * Cascading grid layout library
  * http://masonry.desandro.com
  * MIT License
diff --git a/package.json b/package.json
index ce48acec..895f5cc3 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,11 @@
 {
   "name": "masonry-layout",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "Cascading grid layout library",
   "main": "masonry.js",
   "dependencies": {
-    "get-size": "~2.0.2",
-    "outlayer": "~2.0.0"
+    "get-size": "^2.0.2",
+    "outlayer": "^2.1.0"
   },
   "devDependencies": {
     "chalk": "^1.1.1",