Administrator
Has all permissions. For backward compatibilty.
Coordinator
The coordinator gets all permissions and permission groups defined.
Collaborator
Combines Editor and Contributor permission groups.
Contributor
Includes the Consumer permission group and adds AddChildren and CheckOut.
They will, by default own anything they create and have the ROLE_OWNER authority.
Editor
Include the Consumer permission group and adds Write and CheckOut.
Consumer
Includes Read
