Using gitlab.com as default

packages/gitlab/gitlab_common.js

 Gitlab = {};
 
-Gitlab.ServerURL = 'http://corei3:3000';  // this needs to be configured from Settings
+Gitlab.ServerURL = 'https://gitlab.com';  // this needs to be configured from Settings

packages/gitlab/gitlab_configure.html

@@ -4,9 +4,8 @@
   </p>
   <ol>
     <li>
-      Visit <a href="http://corei3:3000/oauth/applications/new" target="blank">http://corei3:3000/oauth/applications/new</a>
+      Visit <a href="https://gitlab.com/oauth/applications/new" target="blank">https://gitlab.com/oauth/applications/new</a>
     </li>
-
     <li>
       Set Authorization callback URL to: <span class="url">{{siteUrl}}_oauth/gitlab</span>
     </li>