Move start-lineman into a grunt task

config/plugins/spec-browser.coffee

@@ -7,7 +7,6 @@ module.exports = (lineman) ->
       browser:
         root: "spec-browser"
         helpers: [
-          "#{__dirname}/../../helpers/start-lineman.coffee"
           "#{__dirname}/../../helpers/browser.coffee"
           "<%= files.spec.browser.root %>/helpers/**/*.{js,coffee}"
         ]

tasks/start-lineman.coffee

@@ -0,0 +1,36 @@
+http = require 'http'
+
+module.exports = (grunt) ->
+
+  grunt.registerTask 'startLineman', 'starts an instance of lineman if one is not running', ->
+
+    process.env.WEB_PORT = port = process.env.WEB_PORT || 8001
+    process.env.LINEMAN_ENV = "test"
+
+    done = @async()
+    http.get("http://localhost:#{port}", (res) ->
+      console.log 'A server appears to already be running on port #{port}.'
+      done()
+    ).on 'error', (err) ->
+
+      global.currentLineman = lineman = grunt.util.spawn
+        cmd: "lineman"
+        args: ["run"]
+        opts:
+          detached: true
+
+      lineman.stdout.on "data", (data) ->
+        if ~data.toString().indexOf("Waiting...")
+          console.log("Started a Lineman server on port #{port}.")
+          done()
+
+      process.on 'exit', ->
+        # Quit browser
+        global.browser?.quit()
+
+        # If we started a lineman process, kill it and
+        # any child node processes
+        console.log 'Shutting down lineman'
+        lineman.kill()
+        require('child_process').exec('pkill node', ->)
+