chore(jshint): add protractor globals

Author: petebacondarwin

.jshintrc

@@ -1,6 +1,15 @@
 {
   "globalstrict": true,
   "globals": {
-    "angular": false
+    "angular": false,
+
+    "browser": false,
+    "element": false,
+    "by": false,
+
+    "describe": false,
+    "beforeEach": false,
+    "it": false,
+    "expect": false
   }
 }