Add basic unit tests

package.json

@@ -16,15 +16,15 @@
   "author": "jekkos",
   "license": "MIT",
   "devDependencies": {
-    "grunt": "^0.4.5",
+    "grunt": "~0.4.5",
     "grunt-contrib-concat": "~0.5.1",
     "grunt-contrib-jshint": "~0.6.3",
     "grunt-contrib-uglify": "~0.8.0",
     "grunt-contrib-watch": "~0.5.3",
     "grunt-mocha-selenium": "~1.0.1",
+    "grunt-mocha-webdriver": "^1.1.2",
     "grunt-script-link-tags": "~1.0.3",
-    "grunt-selenium-launcher": "^0.1.1",
     "mocha": "^2.2.1",
-    "phantomjs": "^1.9.7-8"
+    "wd": "^0.3.11"
   }
 }