Make it work under Node 4.0.0; Fix #2

Author: pmq20

package.json

@@ -36,7 +36,7 @@
     "file-loader": "^0.8.4",
     "html-webpack-plugin": "^1.6.0",
     "imports-loader": "^0.6.4",
-    "karma": "^0.13.9",
+    "karma": "pmq20/karma#8116899",
     "karma-chrome-launcher": "^0.2.0",
     "karma-sourcemap-loader": "^0.3.5",
     "karma-spec-reporter": "0.0.20",
@@ -55,7 +55,7 @@
     "uuid": "^2.0.1",
     "val-loader": "^0.5.0",
     "webpack": "^1.10.1",
-    "webpack-dev-server": "^1.10.1",
+    "webpack-dev-server": "pmq20/webpack-dev-server#29c6a0d",
     "webpack-reload-plugin": "^0.1.2"
   }
 }