* A first pass at user / community blocking. #426
* Adding unit tests for person and community block.
* Moving migration
* Fixing creator_blocked for comment queries, added tests.
* Don't let a person block themselves
* Fix post creator_blocked
* Adding creator_blocked to PersonMentionView
* Moving blocked and follows to MyUserInfo
* Rename to local_user_view
* Add moderates to MyUserInfo
* Adding BlockCommunityResponse
* Fixing name, and check_person_block
* Fixing tests.
* Using type in Blockable trait.
* Changing recipient to target, adding unfollow to block action.
