BUG Removed performance optimization for multi_edit link as this bypassed recently added hook customeditaccess

git-svn-id: http://svn.montala.net/svn/resourcespace@4950 c08608d7-6e46-0410-86ca-f2a6f1370df5
BUG Alternative file management is now using get_edit_access instead of just checking the e and A permissions for access

git-svn-id: http://svn.montala.net/svn/resourcespace@4951 c08608d7-6e46-0410-86ca-f2a6f1370df5