[fix] Mapping of extension field type
[fix] Move handling of detached group entities to provisioning layer
[fix] Moved handling of detached user entities to provisioning layer
[cleanup] removed method from abstract class
[fix] removed superfluous call to dao.update()
[fix] Fixed possible bug with JPA
[cleanup] Removed slipped comment
[fix] Moved password handling into provisioning layer
Merge pull request #52 from wallner/OSNG-233

Osng 233