Node type editing, with FormField and FormList

This allows adding and removing custom fields from node types.
Currently does not work if the Node Type does not have any initial
custom field.

attract/application/templates/layout.html

@@ -94,7 +94,8 @@
           "assets/js/jquery.attract.js" %}
       <script type="text/javascript" src="{{ ASSET_URL }}"></script>
     {% endassets %}  
-
+    {% block footer_scripts %}
+    {% endblock %}
 
   </body>
 </html>