chore(package): update karma-coverage to version 2.0.2

Closes #155

Author: greenkeeper[bot]

package.json

@@ -99,7 +99,7 @@
     "imports-loader": "0.7.1",
     "json-loader": "0.5.7",
     "karma": "1.7.1",
-    "karma-coverage": "1.1.1",
+    "karma-coverage": "2.0.2",
     "karma-mocha": "1.3.0",
     "karma-mocha-reporter": "2.2.5",
     "karma-phantomjs-launcher": "1.0.4",