chore(bower): update to 1.3.15

Author: PatrickJS

bower.json

@@ -46,10 +46,10 @@
     "angular": "*"
   },
   "devDependencies": {
-    "angular": "~1.3.11",
-    "angular-mocks": "~1.3.11"
+    "angular": "~1.3.15",
+    "angular-mocks": "~1.3.15"
   },
   "resolutions": {
-    "angular": "~1.3.11"
+    "angular": "~1.3.15"
   }
 }