chore(package): update karma-chrome-launcher to version 2.0.0

https://greenkeeper.io/

package.json

@@ -46,7 +46,7 @@
     "karma": "^1.1.1",
     "karma-base64-to-js-preprocessor": "0.0.1",
     "karma-chai": "^0.1.0",
-    "karma-chrome-launcher": "^1.0.1",
+    "karma-chrome-launcher": "^2.0.0",
     "karma-firefox-launcher": "^1.0.0",
     "karma-mocha": "^1.1.1",
     "karma-mocha-reporter": "^2.0.4",