SignatureVerification#matches_time_window? is not called anywhere.

* Add conversations API

* Add web UI for conversations

* Add test for conversations API

* Add tests for ConversationAccount

* Improve web UI

* Rename ConversationAccount to AccountConversation

* Remove conversations on block and mute

* Change last_status_id to be a denormalization of status_ids

* Add optimistic locking

* Allow min_id pagination in Feed#get

* Add min_id pagination to home and list timeline APIs

* Add min_id pagination to account statuses, public and tag APIs

* Remove unused stub in reports API

* Use min_id pagination in notifications, favourites, and fix order

* Fix HomeFeed#from_database not using paginate_by_id

Found via `codespell -q 3 --skip="./app/javascript/mastodon/locales,./config/locales"`

* Add force_login option to OAuth authorize page

For when a user needs to sign into an app from multiple accounts
on the same server

* When logging out from modal header, redirect back after re-login

Will clear the browser's cache, cookies and storage.

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Clear-Site-Data
https://w3c.github.io/webappsec-clear-site-data/

Bug in #8559

If an unresolved report for the same target account already exists,
no new notification is generated

* Add animate custom emoji param to embed pages

* Rename param, use it for avatars and gifs

* Fix issues pointed by codeclimate and breaking test

* Ignore brakeman warning

Fixes #8463

* rubocop: quit being so picky

* rubocop: miscellany

* rubocop: prefer present to blank

Fix #3894

* Allow moderators to disable/enable login

* Instead of rejecting login, show forbidden error when login disabled

Avoid confusion because when login is rejected, the message is that
the account is not activated, which is wrong.

* Fix tests

Regression from #8353

* Add default_settings class method to ScopedSettings

ScopedSettings was extended to use value of unscoped setting instead of
only using defaults set in config/settings.yml for selected settings.
This adds possibility for admins to set default values of users' settings,
for example default theme (as requested in #7092).

* Add ability to change an instance default theme

Closes #7092

* Add confirmation page for suspensions

* Suspension confirmation closes reports, linked from report UI

* Fix tests

* Unuse ActiveRecord::Base#cache_key

* Enable cache_versioning

* Call cache_collection

Fix #8261

* Add remote interaction dialog for toots

* Change AuthorizeFollow into AuthorizeInteraction, support statuses

* Update brakeman.ignore

* Adjust how interaction buttons are display on public pages

* Fix tests

Fixes the other issue with #8168

* Add separate setting for sidebar text (site_short_description)

* Fix tests

* Compensate for scrollbar disappearing when media modal visible

Make auth pages backgrounds lighter

* Fix typo

Fix #8085

* Add federation relay support

* Add admin UI for managing relays

* Include actor on relay-related activities

* Fix i18n

* Add Japanese translation for "Whole word" and add it's description.

* Fix to enable "Whole-word" selection.

Completely remove glitch-soc's Keyword Mutes, migrate
existing database records to CustomFilters.

Handling of client-side filters is still not implemented
in the glitch-soc front-end.

* Add option to not consider word boundaries when filtering phrases

* Add a few tests for keyword/phrase filtering