channelstream: connect only when enabled

rhodecode/public/js/src/components/rhodecode-app/rhodecode-app.js

@@ -32,6 +32,7 b' var rhodeCodeApp = Polymer({'
         for (var i = 0; i < addChannels.length; i++) {
             channels.push(addChannels[i]);
         }
+        if (window.CHANNELSTREAM_SETTINGS && CHANNELSTREAM_SETTINGS.enabled){
         var channelstreamConnection = this.$['channelstream-connection'];
         channelstreamConnection.connectUrl = CHANNELSTREAM_URLS.connect;
         channelstreamConnection.subscribeUrl = CHANNELSTREAM_URLS.subscribe;
@@ -44,6 +45,7 b' var rhodeCodeApp = Polymer({'
         // append any additional channels registered in other plugins
         $.Topic('/connection_controller/subscribe').processPrepared();
         channelstreamConnection.connect();
+        }
     },
 
     checkViewChannels: function () {