Add position ordering and hiding page for i18n

app/helpers/admin/item_helper.rb

@@ -28,12 +28,15 @@ module Admin::ItemHelper
   end
   
   def render_children(parent)
-    if children = parent.children
+    children = parent.ordered_children
+    if !children.entries.blank?
       ret = ''
       children.each do |child|
         ret << render_node_and_children(child)
       end
       ret
+    else
+      ''
     end
   end