title: How create a submenu in a contextmenu handsontable?
body: <p>How create a submenu in a contextmenu handsontable?</p>
  
  <p>I try the next fiddle: </p>
  
  <pre><code>$("#exampleGrid").handsontable({
      ...
      contextMenu: {
          callback: function(key, options) {
              var m = "clicked: " + key;
              window.console &amp;&amp; console.log(m) || alert(m); 
          },
          items: {
              "edit": {"name": "Edit", "icon": "edit"},
              "fold1a": {
                  "name": "Other group", 
                  "items": {
                      "fold1a-key1": {"name": "echo"},
                      "fold1a-key2": {"name": "foxtrot"},
                      "fold1a-key3": {"name": "golf"}
                  }
              }
          }
      }
  });
  </code></pre>
  
  <p><a href="http://jsfiddle.net/MrRino/v99N4/1/" rel="nofollow">http://jsfiddle.net/MrRino/v99N4/1/</a></p>
  
  <p>But don't show the submenu.</p>