Fixes setting of default display name in remote videos.

app.js

     // Once we've joined the muc show the toolbar
     Toolbar.showToolbar();
 
-    var displayName = '';
     if (info.displayName)
-        displayName = info.displayName + ' (me)';
-    else
-        displayName = "Me";
-
-    $(document).trigger('displaynamechanged',
-                        ['localVideoContainer', displayName]);
+        $(document).trigger('displaynamechanged',
+                            ['localVideoContainer', info.displayName + ' (me)']);
 });
 
 $(document).bind('entered.muc', function (event, jid, info, pres) {

index.html

     <link rel="stylesheet" href="css/popup_menu.css?v=2">
     <link rel="stylesheet" href="css/popover.css?v=1">
     <link rel="stylesheet" href="css/contact_list.css?v=1">
-      <link rel="stylesheet" href="css/welcome_page.css?v=1">
+    <link rel="stylesheet" href="css/welcome_page.css?v=1">
     <!--
         Link used for inline installation of chrome desktop streaming extension,
         is updated automatically from the code with the value defined in config.js -->
         </div>
         <a id="downloadlog" onclick='dump(event.target);' data-toggle="popover" data-placement="right" data-content="Download logs" ><i class="fa fa-cloud-download"></i></a>
     </div>
-
   </body>
 </html>

videolayout.js

         var localVideoContainer = document.getElementById('localVideoWrapper');
         localVideoContainer.appendChild(localVideo);
 
+        // Set default display name.
+        setDisplayName('localVideoContainer');
+
         AudioLevels.updateAudioLevelCanvas();
 
         var localVideoSelector = $('#' + localVideo.id);
         }
     };
 
-
     /**
      * Updates the large video with the given new video source.
      */
             var container
                 = VideoLayout.addRemoteVideoContainer(peerJid, videoSpanId);
 
+            // Set default display name.
+            setDisplayName(videoSpanId);
+
             var nickfield = document.createElement('span');
             nickfield.className = "nick";
             nickfield.appendChild(document.createTextNode(resourceJid));
                 editableText.className = 'displayname';
                 editableText.id = 'editDisplayName';
 
-                if (displayName.length) {
+                if (displayName && displayName.length) {
                     editableText.value
                         = displayName.substring(0, displayName.indexOf(' (me)'));
                 }