Only update follower/following stats for actor types of users and bots.

Closes #1565 and #1729

See merge request !2464

Fix inconsistency in language for activating settings in description.exs

Closes admin-fe#108

See merge request !2469

Like activities: Move fixes to validator.

See merge request !2467

Feature/1710 consolidate instance info

Closes #1710

See merge request !2430

Mastodon API: do not create a following relationship if the corresponding follow request doesn't exist when calling `POST /api/v1/follow_requests/:id/authorize`

Prevents the possibility of re-registration, which allowed to read
DMs of the deleted account.

Also includes a migration that tries to find any already deleted
accounts and insert skeletons for them.

Closes #1687

[FIX] [#1732] Made AP C2S :followers and :following endpoints serve on no auth

Closes #1732

See merge request !2463

(as for related :api pipeline endpoints).

Follow request notifications enforcement

See merge request !2451

PleromaFE bundle supporting follow request notifications

See merge request !2462

pleroma-fe@5f90b6a3

static-fe.css: Restore and move to /priv/static/static-fe

See merge request !2458

Fix sporadic test compilation failure caused by unused alias

See merge request !2460

OpenAPI: Add `follow_request` to notification types

Closes #1731

See merge request !2459

Closes #1731

OpenAPI: Remove max pagination limit from the spec

See merge request !2457

In an ideal world clients wouldn't try to request more than the max
hardcoded limit, but SubwayTooter does.

Bugfix/1727 fix signature decoding

Closes #1727

See merge request !2454

Notifications loading fix (PleromaFE)

See merge request !2455

Updated PleromaFE bundle to prevent notifications loading issue due to unsupported parameter (`with_move`).

Mastodon and Gab sometimes send the format `acct:name@server`.

Add OpenAPI spec for NotificationController

See merge request !2437