Upgraded karma to 0.13.9

Author: claudiopro

package.json

@@ -28,7 +28,7 @@
     "events": "1.0.2",
     "expect": "^1.1.0",
     "jsxhint": "^0.12.1",
-    "karma": "^0.12.28",
+    "karma": "^0.13.9",
     "karma-chrome-launcher": "^0.1.7",
     "karma-cli": "0.0.4",
     "karma-firefox-launcher": "^0.1.3",