Moved assignment of template for RosterView out of the render method to avoid...

Moved assignment of template for RosterView out of the render method to avoid calling empty and readding items everytime the render method is called

converse.js

@@ -523,7 +523,7 @@
                         '<a href="{{user_profile_url}}" class="user">' +
                             '<img src="{{portrait_url}}" alt="Avatar of {{fullname}}" class="avatar" />' +
                             '<div class="chat-title"> {{ fullname }} </div>' +
-		                '</a>' +
+                        '</a>' +
                         '<p class="user-custom-message"><p/>' +
                     '</div>' +
                     '<div class="chat-content"></div>' + 
@@ -1548,6 +1548,8 @@
                 delete this.rosteritemviews[item.id];
                 this.render();
             }, this);
+
+            this.$el.html(this.template());
         },
 
         template: _.template('<dt id="xmpp-contact-requests">Contact requests</dt>' +
@@ -1555,7 +1557,6 @@
                             '<dt id="pending-xmpp-contacts">Pending contacts</dt>'),
 
         render: function () {
-            this.$el.empty().html(this.template());
             var models = this.model.sort().models,
                 children = $(this.el).children(),
                 $my_contacts = this.$el.find('#xmpp-contacts').hide(),