Cancel temporary users accounts at the affiliate sites.
Remove US users based on the international release timestamp.
Downgrade hook_update in dosomething_user.
Move US user clensing to drush job. Increase batch to 1000 users.
Add operation lock.
Fixes per #3095 review.
Merge pull request #3095 from sergii-tkachenko/DS-256_uk-cancell-temporary-users

Cancel temporary user accounts at the affiliate sites.