Merge pull request #132 from fouksf/trailing-tooltips

Fixes bug with trailing tooltips after participant is unmuted. #130

videolayout.js

 
         if (isMuted === 'false') {
             if (audioMutedSpan.length > 0) {
+                audioMutedSpan.popover('hide');
                 audioMutedSpan.remove();
             }
         }