New release 3.0.0

I update this library with:
- Add *Prefix* `civ` in front of properties (to correct "Attribute has already been defined")
- Fix *Preview* in Edit mode

README.md

@@ -18,7 +18,7 @@ USAGE
 To make a circular ImageView add CircularImageView in your layout XML and add CircularImageView library in your project or you can also grab it via Gradle:
 
 ```groovy
-compile 'com.mikhaellopez:circularimageview:2.1.1'
+compile 'com.mikhaellopez:circularimageview:3.0.0'
 ```
 
 XML
@@ -29,24 +29,24 @@ XML
         android:layout_width="250dp"
         android:layout_height="250dp"
         android:src="@drawable/image"
-        app:border_color="#EEEEEE"
-        app:border_width="4dp"
-        app:shadow="true"
-        app:shadow_radius="10"
-        app:shadow_color="#8BC34A"/>
+        app:civ_border_color="#EEEEEE"
+        app:civ_border_width="4dp"
+        app:civ_shadow="true"
+        app:civ_shadow_radius="10"
+        app:civ_shadow_color="#8BC34A"/>
 ```
 
 You must use the following properties in your XML to change your CircularImageView.
 
 
 #####Properties:
 
-* `app:border`          (boolean)   -> default true
-* `app:border_color`    (color)     -> default WHITE
-* `app:border_width`    (dimension) -> default 4dp
-* `app:shadow`          (boolean)   -> default false
-* `app:shadow_color`    (color)     -> default BLACK
-* `app:shadow_radius`   (float)     -> default 8.0f
+* `app:civ_border`          (boolean)   -> default true
+* `app:civ_border_color`    (color)     -> default WHITE
+* `app:civ_border_width`    (dimension) -> default 4dp
+* `app:civ_shadow`          (boolean)   -> default false
+* `app:civ_shadow_color`    (color)     -> default BLACK
+* `app:civ_shadow_radius`   (float)     -> default 8.0f
 
 JAVA
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