title: Symfony2 choice form split in twig
body: <p>OK so i have a choice form with 2 options</p>
  
  <pre><code>$builder-&gt;add('type', 'choice', array(
      'label' =&gt; 'User type',
      'choices' =&gt; array('1' =&gt; 'Customer', '2' =&gt; 'Supplier'),
      'expanded' =&gt; true,
      'multiple' =&gt; false,
      'required' =&gt; false,
  ));
  </code></pre>
  
  <p>And i want to split options in view using twig to get something like this:</p>
  
  <pre><code>{{ form_widget(form.type/choice_1/) }}
  some html stuf
  {{ form_widget(form.type/choice_2/) }}
  </code></pre>
  
  <p>Any sugestions?</p>