title: How to wrap submit data of form in extjs 4.2?
body: <p>I have now by submit:</p>
  
  <pre><code>method: save
  name: Michael
  birthday: 1983-02-01
  </code></pre>
  
  <p>but I need:</p>
  
  <pre><code>method: save
  data[name]: Michael
  data[birthday]: 1983-02-01
  </code></pre>
  
  <p>and field name must be like <code>birthday</code> not <code>data[birthday]</code>.</p>