Fixes few issues with kicking participant.

If in the presence there is 110 and 307 status codes there was an error in processing. When kicked the other participants were not cleared from the conference. Firing an event for focus leaving the conference when we are kicked.

modules/xmpp/ChatRoom.js

@@ -412,10 +412,19 @@ ChatRoom.prototype.setSubject = function (subject) {
     this.connection.send(msg);
 };
 
-
-ChatRoom.prototype.onParticipantLeft = function (jid) {
+/**
+ * Called when participant leaves.
+ * @param jid the jid of the participant that leaves
+ * @param skipEvents optional params to skip any events, including check
+ * whether this is the focus that left
+ */
+ChatRoom.prototype.onParticipantLeft = function (jid, skipEvents) {
 
     delete this.lastPresences[jid];
+
+    if(skipEvents)
+        return;
+
     this.eventEmitter.emit(XMPPEvents.MUC_MEMBER_LEFT, jid);
 
     this.moderator.onMucMemberLeft(jid);
@@ -443,7 +452,7 @@ ChatRoom.prototype.onPresenceUnavailable = function (pres, from) {
     // Status code 110 indicates that this notification is "self-presence".
     if (!$(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>status[code="110"]').length) {
         delete this.members[from];
-        this.onParticipantLeft(from);
+        this.onParticipantLeft(from, false);
     }
     // If the status code is 110 this means we're leaving and we would like
     // to remove everyone else from our view, so we trigger the event.
@@ -451,7 +460,7 @@ ChatRoom.prototype.onPresenceUnavailable = function (pres, from) {
         for (var i in this.members) {
             var member = this.members[i];
             delete this.members[i];
-            this.onParticipantLeft(member);
+            this.onParticipantLeft(i, member.isFocus);
         }
     }
     if ($(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>status[code="307"]').length) {