fix(ws): upgrade to version 1.0

Fixes compile issue on node version >= 4.0

Author: spiroid

package.json

@@ -42,7 +42,7 @@
   },
   "dependencies": {
     "angular": "*",
-    "ws": "^0.8.0"
+    "ws": "^1.0.0"
   },
   "devDependencies": {
     "angular-animate": "^1.3.13",