* Change move handler to carry blocks and mutes over
When user A blocks user B and B moves to a new account C, make A block C
accordingly.
Note that it only works if A's instance is aware of the Move, that is,
if B is on A's instance or has followers there.
* Also notify instances with known people blocking you when moving
* Add automatic account notes when blocking/muting an account that had no note
* Add UserNote model
* Add UI for user notes
* Put comment in relationships entity
* Add API to create user notes
* Copy user notes to new account when receiving a Move activity
* Address some of the review remarks
* Replace modal by inline edition
* Please CodeClimate
* Button design changes
* Change design again
* Cancel note edition when pressing Escape
* Fixes
* Tweak design again
* Move “Add note” item, and allow users to add notes to themselves
* Rename UserNote into AccountNote, rename “comment” Relationship attribute to “note”
* Fix being able to follow oneself by moving to an account that was following the old one
* Add specs
* Add spec to catch MoveWorker issue with local followers following both accounts
* Fix move worker breaking when a local account follows both source and target accounts
* Fix migration from remote to local account not sending Undo Follow
* Fix show_reblogs not being preserved for moved account's followers
