Updated absent and role_unassign states behavior.

Added ResourceNotFound exception handling.
Added force_delete flag to domain_absent.
 It provide disable domain before deleting.
Updated _deleted method for return correct changes data.

Change-Id: Ifa6f6a1ab9c6dd0f1f0db114928200f1038bbf4f
(cherry picked from commit c0a50e4349f6d0bfc0a97848b0bfd2e0969b1cd7)
2 files changed