chore(package): update karma to version 2.0.2

Closes #252

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "grunt-contrib-uglify": "^3.0.0",
     "grunt-fixpack": "^0.1.0",
     "jasmine-core": "^2.5.2",
-    "karma": "^1.3.0",
+    "karma": "^2.0.2",
     "karma-chrome-launcher": "^2.0.0",
     "karma-cli": "^1.0.1",
     "karma-coveralls": "^1.1.2",