Moves locking preferences into ContentManager preferences and out of global settings
Cleanup the locking plugins
Cleanup the dirtyform plugin
Clean up locking stff in editcontent in CMSContentManager
Begin work on locking and tooltips in DesignManager.


git-svn-id: http://svn.cmsmadesimple.org/svn/cmsmadesimple@8845 3d254a34-79dc-0310-9e5f-be208747d8a0