corrected bug (contact list was not refreshed after reconnection)

dev/jabberclient_contactlist/jabberclient_contactlist.js

@@ -60,8 +60,9 @@
         var that = this, contactItems = rosterIq.childNodes[0].childNodes, queue = new RSVP.Queue();
         this.list = {};
         this.el = $("#contact-list ul");
-        //that.el.listview();
         this.el.hide();
+        this.el.html("");
+        that.el.listview();
         [].forEach.call(contactItems, function(item) {
             queue.push(function() {
                 var options = {}, jid = $(item).attr("jid");

src/jabberclient_contactlist/jabberclient_contactlist.js

@@ -81,8 +81,9 @@
       queue = new RSVP.Queue();
     this.list = {};
     this.el = $('#contact-list ul');
-    //that.el.listview();
     this.el.hide();
+    this.el.html("");
+    that.el.listview();
     [].forEach.call(contactItems, function (item) {
       queue
         .push(function () {