mastodon/db
ThibG 75b1488cf4 Add tombstones for remote statuses ()
* Add Tombstone model to remember object deletion

* Do not recreate a status if it has been deleted

* Record Tombstone for remote deleted items

Also, only record deleted items from same-host actors

* Clear an user's tombstones when their key change
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migrate Add tombstones for remote statuses ()
post_migrate Extract counters from accounts table to account_stats table ()
schema.rb Add tombstones for remote statuses ()
seeds.rb Fix db/seeds.rb ()