Merge pull request #511 from isymchych/improve-focus-left

leave the room if focus left

conference.js

@@ -228,6 +228,7 @@ class ConferenceConnector {
             break;
 
         case ConferenceErrors.FOCUS_LEFT:
+            room.leave().then(() => connection.disconnect());
             APP.UI.notifyFocusLeft();
             break;