Issue #1930494 by DragonYen: Fixed Code bug in simple_access_groups_check_user().
Issue #1156060 by Simon Georges | dhalbert: Add module category 'Content Access Control' to Simple Access.
Issue #1929204 by pounard, gordon: Fixed An easy one: a simple typo error omits the {simple_access_profiles_node()} primary key and indexes.
Remove all 6.x updates
Fix up some code formatting.
Issue #1916316 by Simon Georges, pounard: Performance and hook_node_load().
Issue #1151974 by shawn_smiley: Fixed Hook_node_grants() returns incorrect data structure.
Fix up uninitialised variable issues
Clean up some of the line endings.
Remove all code from the Master Branch