Added warning
ACL algebra helper.
Tiny API tweak.
Permission providers, forms, algebra and some docs.
Fixed build
Updated docs some.
Removed mysql from docs
Defensive testuitls for permissions, small cleanup of permission forms handling.
Refactored perms provider module
Moved forums perms admin from acl to forums app
Mechanic for adding items lists, starting forums acls refactor. #359 #358
Dont share extra actions between everything. #359
Assign forum roles
Special roles
Fixed special roles handling.
Documented add_item_action
Add/edit user stubs.