chore(package): update clang-format to version 1.0.50 (#1902)

https://greenkeeper.io/

package.json

@@ -19,7 +19,7 @@
     "browser-sync-spa": "~1.0.3",
     "browserify": "~14.3.0",
     "browserify-istanbul": "~2.0.0",
-    "clang-format": "1.0.49",
+    "clang-format": "1.0.50",
     "del": "~2.2.2",
     "eslint-plugin-angular": "~2.4.0",
     "file-exists": "2.0.0",