incorporated torbs PR from master

Author: bmuenzenmeyer

public/listeners/synclisteners.js

@@ -18,7 +18,7 @@ var wsnConnected = false;
 var wsc;
 var wscConnected = false;
 var dataPrevious = 0;
-var host = (window.location.host != "") ? window.location.host : "127.0.0.1";
+var host = (window.location.host !== '') ? window.location.hostname : '127.0.0.1';
 
 // handle page updates from one browser to another
 function connectNavSync() {