Implemented DIRAC registration for New User and for New or Updated
Certificate.
Starting adding delete DIRAC registration feature.
Implemented DIRAC registration class
Removed warnings
Solved Unchecked assignment
Implemented a RESTful interface for adding a DiracTask
Merge remote-tracking branch 'origin/DiracSupport'

Conflicts:
	src/main/java/portal/registration/controller/AddFqansController.java