fix sidebar icon for page.

fix i18n on sidebar
make sidebar sortable by changing db value. Need interface

vendor/built_in_modules/page_content/init.rb

@@ -16,7 +16,7 @@ module PageContent
     end
     
     side_bar do
-      head_label_i18n  'page',:icon_class=>"icons-page"
+      head_label_i18n  'page',:icon_class=>"icons-newspaper"
       available_for [:admin,:guest,:manager,:sub_manager]
       active_for_controllers ({:private=>['page_contexts']})
       active_for_object_auth ['PageContext']