use http to feth jquery-ui dependency instead of ssh

package.json

@@ -22,7 +22,7 @@
     "es6-promise": "^4.0.5",
     "imports-loader": "^0.6.5",
     "jquery": "2.2.1",
-    "jquery-ui": "github:jquery/jquery-ui#1.11.4",
+    "jquery-ui": "git+https://github.com/jquery/jquery-ui#1.11.4",
     "jquery-ujs": "1.2.1",
     "js-cookie": "^2.1.3",
     "karma-mocha-reporter": "^2.2.2",