chore(package): update google-closure-compiler to version 20160822.2.0 (#1208)

https://greenkeeper.io/

package.json

@@ -23,7 +23,7 @@
     "del": "~2.2.2",
     "eslint-plugin-angular": "~1.3.0",
     "file-exists": "2.0.0",
-    "google-closure-compiler": "~20160822.1.0",
+    "google-closure-compiler": "~20160822.2.0",
     "gulp": "~3.9.1",
     "gulp-angular-templatecache": "~2.0.0",
     "gulp-autoprefixer": "~3.1.0",