fixed form_rest() for embedded forms (refs symfony#1051, symfony#1115)

Author: fabpot

src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/field_rest.html.php

@@ -1,4 +1,4 @@
-<?php foreach ($form->getChildren() as $child): ?>
+<?php foreach ($form as $child): ?>
  <?php if (!$child->isRendered()): ?>
  <?php echo $view['form']->row($child) ?>
  <?php endif; ?>

src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/form_widget.html.php

@@ -1,6 +1,6 @@
 <div<?php echo $view['form']->attributes() ?>>
  <?php echo $view['form']->errors($form); ?>
- <?php foreach ($form->getChildren() as $child): ?>
+ <?php foreach ($form as $child): ?>
  <?php echo $view['form']->row($child); ?>
  <?php endforeach; ?>
  <?php echo $view['form']->rest($form) ?>

src/Symfony/Bundle/FrameworkBundle/Resources/views/Form/repeated_row.html.php

@@ -1,5 +1,5 @@
 <?php echo $view['form']->errors($form) ?>
 
-<?php foreach ($form->getChildren() as $child): ?>
+<?php foreach ($form as $child): ?>
  <?php echo $view['form']->row($child); ?>
 <?php endforeach; ?>

src/Symfony/Bundle/TwigBundle/Resources/views/Form/div_layout.html.twig

@@ -1,7 +1,7 @@
 {% block field_rows %}
 {% spaceless %}
  {{ form_errors(form) }}
- {% for child in form.children %}
+ {% for child in form %}
  {{ form_row(child) }}
  {% endfor %}
 {% endspaceless %}
@@ -27,7 +27,7 @@
 
 {% block field_rest %}
 {% spaceless %}
- {% for child in form.children %}
+ {% for child in form %}
  {% if not child.rendered %}
  {{ form_row(child) }}
  {% endif %}