Adding fix for Ticket #2335
Adding fix for Ticket #2344
Merged changes in dbo from 1.2 to 1.1
Merged changes to session handling in 1.2 to 1.1
Merged changes to Model::_ _saveMulti() in 1.2 to 1.1
Added Set::pushDiff() to append differences in array 2 to array 1
Added SessionComponent::activate() and SessionHelper::activate() to turn sessions usage on if AUTO_SESSION is set to false
Added test for Ticket #2343
Added change to AclNode to use correct table naming
Added garbage clean up to CakeSession::_ _close(); some installs, like Debian, have removed garbage clean
up and use a cron job instead. Currently this change is only supported for database session.
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@4752 3807eeeb-6ff5-0310-8944-8be069107fe0
