title: Text field focus issue while scrolling the panel in sencha touch 2
body: <p>I am working on an cordova iOS app(iPad).
  I have a form panel inside that i have some sencha fields.
  After i set focus on any of the fields as shown below
  <img src="https://i.stack.imgur.com/AJ90L.png" alt="editing test field"></p>
  
  <p>and scroll the enclosing panel, focus cursor won't scroll, it stays over there only as shown below.</p>
  
  <p><img src="https://i.stack.imgur.com/4vyz9.png" alt="cursor issue"></p>
  
  <p>How can i resolve this problem.</p>
  
  <p>and there is one more observation it happens in ios6 but not in ios5.</p>