chore(package): update karma to version 0.13.16

http://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -40,7 +40,7 @@
   "devDependencies": {
     "browserify": "^10.2.1",
     "bump-cli": "^1.1.3",
-    "karma": "^0.12.0",
+    "karma": "^0.13.16",
     "karma-mocha": "^0.1.10",
     "karma-sauce-launcher": "^0.2.11",
     "karma-phantomjs-launcher": "^0.2.0",