Merge pull request #227 from odotom/odotom-patch-1

Fixes typos.

app.js

 function init() {
 
     APP.RTC.start();
-    APP.xmpp.start(APP.UI.getCreadentials);
+    APP.xmpp.start(APP.UI.getCredentials());
     APP.statistics.start();
     APP.connectionquality.init();
 

modules/UI/UI.js

     return VideoLayout.connectionIndicators[id].showMore();
 };
 
-UI.getCreadentials = function () {
+UI.getCredentials = function () {
     var settings = this.getSettings();
     return {
         bosh: document.getElementById('boshURL').value,