update karma dependencies

package.json

@@ -109,7 +109,7 @@
     "jasmine-jquery": "^2.1.1",
     "karma": "^2.0.0",
     "karma-chrome-launcher": "^2.2.0",
-    "karma-coverage-istanbul-reporter": "^1.3.3",
+    "karma-coverage-istanbul-reporter": "^1.4.1",
     "karma-jasmine": "^1.1.1",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sourcemap-loader": "^0.3.7",