tech(): updated phantomjs npm package to use phantomjs-prebuilt

package.json

@@ -48,10 +48,10 @@
     "karma-coveralls": "1.1.2",
     "karma-expect": "~1.1.0",
     "karma-mocha": "~0.2.1",
-    "karma-phantomjs-launcher": "0.2.1",
+    "karma-phantomjs-launcher": "1.0.0",
     "load-grunt-tasks": "3.4.0",
     "mocha": "2.3.4",
-    "phantomjs": "^2.1.3",
+    "phantomjs-prebuilt": "^2.1.3",
     "reflect-metadata": "0.1.2",
     "rxjs": "5.0.0-beta.2",
     "sass-lint": "^1.5.0",

tasks/options/phantomjs.js

@@ -4,12 +4,7 @@ module.exports = function(config,grunt) {
   grunt.registerTask('phantomjs', 'Copy phantomjs binary from node', function() {
 
     var dest = './vendor/phantomjs/phantomjs';
-    var confDir = './node_modules/karma-phantomjs-launcher/node_modules/phantomjs/lib/'
-
-    if (!grunt.file.exists(confDir)) {
-      // npm 3 or npm 2 with dedupe
-      confDir = './node_modules/phantomjs/lib/';
-    }
+    var confDir = './node_modules/phantomjs-prebuilt/lib/';
 
     if (!grunt.file.exists(dest)){