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

Closes #17

Author: greenkeeper[bot]

package.json

@@ -46,7 +46,7 @@
     "jquery": "^3.2.1",
     "karma": "^1.7.1",
     "karma-browserify": "^5.1.1",
-    "karma-coverage": "^1.1.1",
+    "karma-coverage": "^2.0.2",
     "karma-jasmine": "^1.1.0",
     "karma-jasmine-ajax": "^0.1.13",
     "karma-junit-reporter": "^1.2.0",