show the real restricted pages
some refactor
group 5 staff tests
removed some debug
improved tests for staff global and none global
added documention for upgrading from 2.1.3 to 2.2 and from django 1.2.5 to 1.3
fixed typos and added links to other sections and django docs
minor tidy up of the menu_item 'in_navigation' section.
Move the unique constraint error for reverse_id.
Previously stored in '__all__' in form.errors, it was displayed at the top of the admin change form; now it highlights the field itself, as with every other field.
lazy loading of the menu on page change list
cleaning up some commented code
moved js into change_list.js
show move target on descendants if needed
removed setting CMS_LAZY_LOAD_MENU
changed Load_nav to descendants
Merge pull request #1110 from kezabelle/minorimprovements

minor tidy up of the menu_item 'in_navigation' section.
the menu will now remember what trees you had open before and start with them open on page load
explictly set the cookie prefix for open menu nodes
Merge branch 'divio-develop' into lazyloadmenu
minor tidy up of the menu_item 'in_navigation' section.