Update conflict ux per updated design.

app/views/viewlet-manager.js

 /*
 This file is part of the Juju GUI, which lets users view and manage Juju
 environments within a graphical interface (https://launchpad.net/juju-gui).
 Copyright (C) 2012-2013 Canonical Ltd.
 
 This program is free software: you can redistribute it and/or modify it under
 the terms of the GNU Affero General Public License version 3, as published by
 the Free Software Foundation.
 
 This program is distributed in the hope that it will be useful, but WITHOUT
@@ skipping 58 matching lines @@
     /**
       The rendered viewlet element
 
       @property container
       @type {Y.Node}
       @default null
     */
     container: null,
 
     /**
+      The list of events the viewlet has bound so we can clean up on destroy.
+
+      @attribute events
+      @default []
+      @type {Array}
+
+     */
+    events: [],

[rharding, 2013/09/11 14:24:17]

Add support for viewlets to have events they bind on render. 

+
+    /**
       Optional logical slot name for this viewlet to fill.
 
       @property slot
       @type {String}
       @default null
     */
     slot: null,
 
     /**
       When defined it allows the developer to specify another model to bind
@@ skipping 48 matching lines @@
       @default {noop function}
     */
     conflict: function(node) {},
 
     /**
       A destroy callback called when removing a viewlet for cleanup.
 
       @method destroy
       @return {undefined} nothing.
      */
-    destroy: function() {},
+    destroy: function() {
+      this.events.forEach(function(ev) {
+        ev.detach();
+      });
+      this.events = [];
+    },

[rharding, 2013/09/11 14:24:17]

and make the default destroy clean any of those up.

 
     /**
       Called by the databinding engine when fields drop out of sync with
       the supplied model.
 
       @method unsyncedFields
       @param {Array} dirtyFields an array of keys representing changed fields.
     */
     unsyncedFields: function(dirtyFields) {},
 
@@ skipping 454 matching lines @@
   });
 
 }, '', {
   requires: [
     'juju-databinding',
     'view',
     'node',
     'base-build',
     'handlebars'
   ]});