Implement relation between identities with a configurable role,
administration to manage the roles, and the relations in user
management.

OO-2172: refactor the spring configuration to be more Spring 4 friendly, remove the cycle generate by the properties injection, deployment of course and user in a separate module

OO-990: remove ControllerFactory, RepositoryEntryContext ( must be CourseSiteContext in every case), allow opening an editor by REST URL...

--HG--
branch : bps