* Fix uncaching worker

* Revert to using Paperclip's filesystem backend instead of fog-local

fog-local has lots of concurrency issues, causing failure to delete files,
dangling file records, and spurious errors UncacheMediaWorker

* reorder simple form ul to list vertically (fixes #8236)

* remove browser specific prefixes

Fix #7316

* Make dropdown animations respect their placement

Also fix the corner radius on the privacy dropdown button when using top placement

* Fix code style issue

Signed-off-by: Marcin Mikołajczak <me@m4sk.in>

* Unuse ActiveRecord::Base#cache_key

* Enable cache_versioning

* Call cache_collection

To minimize fanout work and redis home feed storage space when
there are lots of recent sign-ups

Fix #8284

* Revert "Upgrade Doorkeeper to 4.4.1 (#8197)"

This reverts commit 464daffd.

* Except migration files from revert commit

Fix #8274

Fix #8275

As the batch operation progresses, the statuses_stats table grows,
and the WHERE NOT IN subquery becomes more expensive

Fix #8269

Fix #8261

Not active by default unless config/database.yml is edited

This includes clicks on hashtags, mentions, display names and media in the
timeline; and usernames in reply-indicator, detailed status, and the boost
modal.

* Add “bundle clean” suggestion from CircleCI doc

Cf. https://circleci.com/docs/2.0/caching/#bundler-ruby

* Use workspaces instead of caches for ruby gems

Cache are not guaranteed to be available, while the test jobs *require* their
depencies to run. Workspaces are thus more suitable.

One downside is that the order of workspace layer additions need to be
deterministic, which is why install-ruby{2.3,2.4} now depend on
install-ruby2.5.

* 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

* Add Georgian language translation

* i18n-tasks normalize

* Add Follow#revoke_request!

* Implement Undo { Accept { Follow } } (fixes #8234)

Fixes the other issue with #8168