Removes deprecation warning from run_tests.sh

Change-Id: Iab37535f8f9166ba231401c270a94b041c4c20f5
Removes option to delete test DB from run_tests.sh

Our tests have been growing the smarts to cleanup after themselves. This
feature is no longer needed.

Change-Id: I5ecdb0b286c31fd9b787055b77e47061c2f3bc5a
Adds run_tests.sh cli option to stop on failure

Change-Id: I77def7f99b1e9c29649afb74e76948e375fa2980
LDAP Assignment does not support grant v3 API

The LDAP assignment backend is missing support for several of the v3
APIs. This patch implements Role Grant CRUD for V3 Assignment API:

- Role Grant CRUD
  + create_grant
  + get_grant
  + delete_grant
  + update_grant

- GET /role_assignments
  + list_role_assignments

Closes-Bug: #1248952
Partial-Bug: #1101287
Partial-Bug: #1221805

Change-Id: I1fb247b538e6a11085a18f0103cb8508d58e664f
Merge "Removes deprecation warning from run_tests.sh"
Merge "Removes option to delete test DB from run_tests.sh"
Merge "Adds run_tests.sh cli option to stop on failure"
Merge "LDAP Assignment does not support grant v3 API"