chore(build): updating angular dependency

Setting the angular dependency to be 1.3.x or less

Author: RobJacobs

package.json

@@ -9,8 +9,8 @@
     "url": "https://github.com/angular-ui/bootstrap.git"
   },
   "devDependencies": {
-    "angular": "^1.3.15",
-    "angular-mocks": "^1.3.15",
+    "angular": "<=1.3.x",
+    "angular-mocks": "<=1.3.x",
     "grunt": "^0.4.5",
     "grunt-contrib-concat": "^0.5.1",
     "grunt-contrib-copy": "^0.8.0",