Fixes audio mute.

index.html

     <script src="libs/popover.js?v=1"></script><!-- bootstrap tooltip lib -->
     <script src="libs/toastr.js?v=1"></script><!-- notifications lib -->
     <script src="interface_config.js?v=5"></script>
-    <script src="libs/app.bundle.js?v=92"></script>
+    <script src="libs/app.bundle.js?v=93"></script>
     <script src="analytics.js?v=1"></script><!-- google analytics plugin -->
     <link rel="stylesheet" href="css/font.css?v=7"/>
     <link rel="stylesheet" href="css/toastr.css?v=1">

libs/app.bundle.js

 SmallVideo.prototype.showAudioIndicator = function(isMuted) {
     var audioMutedSpan = $('#' + this.videoSpanId + '>span.audioMuted');
 
-    if (isMuted === 'false') {
+    if (!isMuted) {
         if (audioMutedSpan.length > 0) {
             audioMutedSpan.popover('hide');
             audioMutedSpan.remove();
      * @param {boolean} isMuted
      */
     my.showLocalAudioIndicator = function(isMuted) {
-        localVideoThumbnail.showAudioIndicator(isMuted.toString());
+        localVideoThumbnail.showAudioIndicator(isMuted);
     };
 
     /**
             if (audioMuted.length) {
                 eventEmitter.emit(XMPPEvents.AUDIO_MUTED,
                     from, (audioMuted.text() === "true"));
-                $(document).trigger('audiomuted.muc', [from, ]);
             }
 
             // Parse video info tag.
             if (videoMuted.length) {
                 eventEmitter.emit(XMPPEvents.VIDEO_MUTED,
                     from, (videoMuted.text() === "true"));
-                $(document).trigger('videomuted.muc', [from, ]);
             }
 
             var startMuted = $(pres).find('>startmuted');

modules/UI/videolayout/SmallVideo.js

 SmallVideo.prototype.showAudioIndicator = function(isMuted) {
     var audioMutedSpan = $('#' + this.videoSpanId + '>span.audioMuted');
 
-    if (isMuted === 'false') {
+    if (!isMuted) {
         if (audioMutedSpan.length > 0) {
             audioMutedSpan.popover('hide');
             audioMutedSpan.remove();

modules/UI/videolayout/VideoLayout.js

      * @param {boolean} isMuted
      */
     my.showLocalAudioIndicator = function(isMuted) {
-        localVideoThumbnail.showAudioIndicator(isMuted.toString());
+        localVideoThumbnail.showAudioIndicator(isMuted);
     };
 
     /**

modules/xmpp/strophe.emuc.js

             if (audioMuted.length) {
                 eventEmitter.emit(XMPPEvents.AUDIO_MUTED,
                     from, (audioMuted.text() === "true"));
-                $(document).trigger('audiomuted.muc', [from, ]);
             }
 
             // Parse video info tag.
             if (videoMuted.length) {
                 eventEmitter.emit(XMPPEvents.VIDEO_MUTED,
                     from, (videoMuted.text() === "true"));
-                $(document).trigger('videomuted.muc', [from, ]);
             }
 
             var startMuted = $(pres).find('>startmuted');