Close #1044 PR: MarionetteJS - Use ui hash in all views

examples/backbone_marionette/js/TodoMVC.Layout.js

@@ -42,11 +42,12 @@ TodoMVC.module('Layout', function (Layout, App, Backbone) {
 			completed: '.completed a',
 			active: '.active a',
 			all: '.all a',
-			summary: '#todo-count'
+			summary: '#todo-count',
+			clear: '#clear-completed'
 		},
 
 		events: {
-			'click #clear-completed': 'onClearClick'
+			'click @ui.clear': 'onClearClick'
 		},
 
 		collectionEvents: {

examples/backbone_marionette/js/TodoMVC.TodoList.Views.js

@@ -12,15 +12,18 @@ TodoMVC.module('TodoList.Views', function (Views, App, Backbone, Marionette, $)
 		template: '#template-todoItemView',
 
 		ui: {
-			edit: '.edit'
+			edit: '.edit',
+			destroy: '.destroy',
+			label: 'label',
+			toggle: '.toggle'
 		},
 
 		events: {
-			'click .destroy': 'deleteModel',
-			'dblclick label': 'onEditClick',
+			'click @ui.destroy': 'deleteModel',
+			'dblclick @ui.label': 'onEditClick',
 			'keydown @ui.edit': 'onEditKeypress',
 			'focusout @ui.edit': 'onEditFocusout',
-			'click .toggle': 'toggle'
+			'click @ui.toggle': 'toggle'
 		},
 
 		modelEvents: {
@@ -91,7 +94,7 @@ TodoMVC.module('TodoList.Views', function (Views, App, Backbone, Marionette, $)
 		},
 
 		events: {
-			'click #toggle-all': 'onToggleAllClick'
+			'click @ui.toggle': 'onToggleAllClick'
 		},
 
 		collectionEvents: {