chore(package): update karma-coverage to version 2.0.1

Closes #80

Author: greenkeeper[bot]

package.json

@@ -92,7 +92,7 @@
     "karma": "^1.5.0",
     "karma-chrome-launcher": "^2.1.1",
     "karma-cli": "^1.0.1",
-    "karma-coverage": "^1.1.1",
+    "karma-coverage": "^2.0.1",
     "karma-html-reporter": "^0.2.7",
     "karma-jasmine": "^1.1.0",
     "karma-jasmine-html-reporter": "^0.2.2",