title: use 'genemu_jqueryimage' in form
body: <p>When I install <code>GenemuFormBundle</code> in <code>Symfony2.3</code> and write in form <code>-&gt;add('image','genemu_jqueryimage')</code></p>
  
  <p>Then show me error :-</p>
  
  <pre><code> genemu/form-bundle/Genemu/Bundle/FormBundle/Form/JQuery/Type/FileType.php line 57
  </code></pre>
  
  <p>May be this version compatibility problem.
  So,I created issue on: <a href="https://github.com/genemu/GenemuFormBundle/issues/321" rel="nofollow">https://github.com/genemu/GenemuFormBundle/issues/321</a> </p>
  
  <p>Any one know this this ?
  I want this Bundle functionality because this is provide image crop option.</p>
  
  <p>FileType.php:-</p>
  
  <pre><code>&lt;?php
  
  namespace Genemu\Bundle\FormBundle\Form\JQuery\Type;
  
  use Symfony\Component\Form\AbstractType;
  use Symfony\Component\Form\FormBuilderInterface;
  use Symfony\Component\Form\FormView;
  use Symfony\Component\Form\FormInterface;
  use Symfony\Component\HttpFoundation\File\File;
  use Symfony\Component\OptionsResolver\Options;
  use Symfony\Component\OptionsResolver\OptionsResolverInterface;
  
  use Genemu\Bundle\FormBundle\Form\Core\EventListener\FileListener;
  use Genemu\Bundle\FormBundle\Form\JQuery\DataTransformer\FileToValueTransformer;
  
  /**
   * FileType
   */
  class FileType extends AbstractType
  {
  private $options;
  private $rootDir;
  
  /**
   * Constructs
   *
   * @param array  $options
   * @param string $rootDir
   */
  public function __construct(array $options, $rootDir)
  {
      $this-&gt;options = $options;
      $this-&gt;rootDir = $rootDir;
  }
  
  /**
   * {@inheritdoc}
   */
  public function buildForm(FormBuilderInterface $builder, array $options)
  {
      $configs = $options['configs'];
  
      $builder
          -&gt;addEventSubscriber(new FileListener($this-&gt;rootDir, $options['multiple']))
          -&gt;addViewTransformer(new FileToValueTransformer($this-&gt;rootDir, $configs['folder'], $options['multiple']))
          -&gt;setAttribute('rootDir', $this-&gt;rootDir)
      ;
  }
  
  /**
   * {@inheritdoc}
   */
  public function buildView(FormView $view, FormInterface $form, array $options)
  {
      $view-&gt;vars = array_replace($view-&gt;vars, array(
          'type' =&gt; 'hidden',
          'value' =&gt; $form-&gt;getViewData(),
          'multiple' =&gt; $options['multiple'],
          'configs' =&gt; $options['configs'],
      ));
  }
  
  /**
   * {@inheritdoc}
   */
  public function setDefaultOptions(OptionsResolverInterface $resolver)
  {
      $configs = $this-&gt;options;
  
      $resolver
          -&gt;setDefaults(array(
              'data_class' =&gt; null,
              'required' =&gt; false,
              'multiple' =&gt; false,
              'configs' =&gt; array(),
          ))
          -&gt;setNormalizers(array(
              'configs' =&gt; function (Options $options, $value) use ($configs) {
                  if (!$options['multiple']) {
                      $value['multi'] = false;
                  }
  
                  return array_merge($configs, $value);
              }
          ))
      ;
  }
  
  /**
   * {@inheritdoc}
   */
  public function getParent()
  {
      return 'file';
  }
  
  /**
   * {@inheritdoc}
   */
  public function getName()
  {
      return 'genemu_jqueryfile';
  }
  }
  </code></pre>
  
  <p>Thanks !!</p>