READ : Allow user to view this Forum
CREATE : Allow user to create new resource below this Forum
UPDATE : Allow user to edit this Forum
DELETE : Allow user to delete this Forum
POST MESSAGE : Allow user to post new messages in this Forum

Resource has permissions :	READ	CREATE	UPDATE	DELETE	POST MESSAGE	Action
ls://dev.artenum.com/projects/cassandra/member						Edit -  Delete -  (recursive)
ls://dev.artenum.com/projects/cassandra/managers						Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/manager						Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/reader						Edit -  Delete -  (recursive)
ls://dev.artenum.com/projects/cassandra/readers						Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/developers						Edit -  Delete -  (recursive)

    (owner has all permissions)