title: How to bind child view to parent viewmodel in ExtJs 5?
body: <p>I need to bind child view to viewmodel of parent view.
  my structure is - </p>
  
  <pre><code>parentView{
      items : [{
          xtype : 'childview'
      }]
  }
  
  parentViewModel{data : NAME}
  
  childview : {
      items : {[
          xtype : 'label',
          bind : {value : '{NAME}'}
      ]}
  }
  </code></pre>