title: handlebars in requirejs load not successfully
body: <pre><code>paths: {
            jquery: 'libs/jquery/jquery-min',
            underscore: 'libs/underscore/underscore-min',
            backbone: 'libs/backbone/backbone-optamd3-min',
            handlebars: 'libs/handlebars/handlebars',
            text: 'libs/require/text'
        }
  
     define([
        'jquery',
         'underscore',
         'backbone',
         'collections/todos',
         'views/todos',
         'text!templates/stats.html',
         'common',
         'handlebars'
    ], function ($, _, Backbone, Todos, TodoView, statsTemplate, Common, handlebars) {
     //handlebars is null
     console.log("handlebars is",handlebars);
  </code></pre>
  
  <p>})</p>
  
  <p>Except handlebars,others can load successfully.Why and how to make handlbars load successfully.thanks</p>