- When someone gets blocked, remove all pending repository transfers
from the blocked user to the doer.
- Do not allow to start transferring repositories to the doer as blocked user.
- Added unit testing.
- Added integration testing.
(cherry picked from commit 8a3caac330)
(cherry picked from commit a92b4cfeb6)
(cherry picked from commit acaaaf07d9)
(cherry picked from commit 735818863c)
(cherry picked from commit f50fa43b32)