title: Extjs4 display tooltip for accordion item headers
body: <p>Is there are any way to add tooltip for Extjs accordion item headers.I am using tree panel for accordion item.</p>
  
  <p>My accordian panel</p>
  
  <pre><code>Ext.create('Ext.Panel', {
      region: 'west',
      split: true,
      width: '20%',
      collapsible: true,
      title: 'Accordian',
      iconCls: 'application-side-tree',
      layout: 'accordion',
      items: [
          Ext.create('Ext.tree.Panel', {
          id: 'tree-1',
          store: Store1,
          title: 'First item tree',
          rootVisible: false,
          layout: 'fit',
          draggable: false
      }),
          Ext.create('Ext.tree.Panel', {
          id: 'tree-2',
          store: Store2,
          title: 'Second item tree',
          rootVisible: false,
          layout: 'fit',
          draggable: false
      })
          ],
  });
  </code></pre>