ADD new hook customediteaccess for overriding edit access from plugins

git-svn-id: http://svn.montala.net/svn/resourcespace@4670 c08608d7-6e46-0410-86ca-f2a6f1370df5
ADD new hooks in edit to hide/replace some parts of edit form

git-svn-id: http://svn.montala.net/svn/resourcespace@4671 c08608d7-6e46-0410-86ca-f2a6f1370df5