flex-basis: 0 allows make flexbox smaller than its contents on Safari <10.

https://github.com/philipwalton/flexbugs#1-minimum-content-sizing-of-flex-items-not-honored

* Handle duplicate ActivityPub activities

Only perform side-effects when record processed for the first time

* Fast-forward repeat follow requests

*Note: OStatus URIs are invalid for ActivityPub. But we have them for
as long as we want to keep old OStatus-sourced content and as long as
we remain OStatus-compatible.*

- In Announce handling, if object URI is not a URL, fallback to object URL
- Do not use specialized ThreadResolveWorker, rely on generalized handling
- When serializing notes, if parent's URI is not a URL, use parent's URL

* use existing inflections instead of custom helper

* use ActiveSupport versions

* Show what protocol used for in admin/accounts#index

* Add frozen_string_literal

* i18n: Update Polish translation

* Update pl.json

* Redesign public profiles

* Responsive design

* Change public profile status filtering defaults and add options

- No longer displays private/direct toots even if you are permitted access
- By default omits replies
- "With replies" option
- "Media only" option

* Redesign account grid cards

* Fix style issues

* Make share intent modal to make "signed in as" shown.

* fix glitch on mobile.

* Add protocol field
* Switch protocol specific information according to active protocol
* Hide PuSH subscription related buttons if ActivityPub is active

* Add support for searching AP users

* use JsonLdHelper

* Add protocol handler. Handle follow intents

* Add share intent

* Improve code in intents controller

* Adjust share form CSS

* Deliver ActivityPub Like

* Deliver ActivityPub Undo-Like

* Deliver ActivityPub Create/Announce activities

* Deliver ActivityPub creates from mentions

* Deliver ActivityPub Block/Undo-Block

* Deliver ActivityPub Accept/Reject-Follow

* Deliver ActivityPub Undo-Follow

* Deliver ActivityPub Follow

* Deliver ActivityPub Delete activities

Incidentally fix #889

* Adjust BatchedRemoveStatusService for ActivityPub

* Add tests for ActivityPub workers

* Add tests for FollowService

* Add tests for FavouriteService, UnfollowService and PostStatusService

* Add tests for ReblogService, BlockService, UnblockService, ProcessMentionsService

* Add tests for AuthorizeFollowService, RejectFollowService, RemoveStatusService

* Add tests for BatchedRemoveStatusService

* Deliver updates to a local account to ActivityPub followers

* Minor adjustments

* Ajout de traductions manquantes

Ajoute des traductions pour les chaînes n’en ayant pas en version 1.5.1.

Add translations for the strings that are missing them in 1.5.1.

* Remplace « ' » par « ’ »

Retire de la traduction les apostrophes droites « ' » (U+0027) au profit des apostrophes typographiques « ’ » (U+2019).
En typographie française, les apostrophes typographiques sont utilisées à la place des apostrophes droites. La traduction était incohérente et utilisait les deux.

Remove from the translation all the vertical apostrophes (U+0027) in favor of the curly ones (U+2019).
In French typography, typographic apostrophes are used instead of vertical ones. The translation was incoherent and used both.

* Ajout d’espaces insécables

Ajoute des espaces insécables suivant les régles nécessaires en typographie française.

Add non-breaking spaces following rules of French typography.

* Remplace « status » par « statut »

Remplace le mot anglais « status » par sa traduction française « statut ».

Replace the English word "status" by its French translation "statut".

* Correction de la politique de confidentialité

Apporte diverses corrections à la traduction de la politique de confidentialité.

Add various fixes to the privacy policy's translation.

* Remplace « mentionné » par « mentionné·e »

Harmonise la traduction en remplaçant « mentionné » par sa forme épicène.

Harmonize the translation by replacing "mentionné" (sure) by its epicene form.

* Remplace « Coup d’œil » par « Jeter un coup d’œil… »

Remplace la première traduction par une forme plus proche de la version originelle.

Replace the first translation by something closer to the original version.

* Remplace « Bon Appétoot ! » par « Bon appouetit ! »

Remplace « Bon Appétoot ! » par « Bon appouetit ! » pour essayer de conserver le jeu de mot.

Replace « Bon Appétoot ! » by « Bon appouetit ! » to keep the pun.

* Remplace « Bon Appétoot ! » par « Bon appouetit ! » (2)

Remplace « Bon Appétoot ! » par « Bon appouetit ! » pour essayer de conserver le jeu de mot.

Replace « Bon Appétoot ! » by « Bon appouetit ! » to keep the pun.f

* Corrections

Corrige des fautes d’orthographe et change « appouetit » pour « appouétit ».

Correct some mistakes and change "appouetit" to "appouétit".

* Handle ActivityPub follows correctly

ActivityPub follows are follow-requests. Always require an Accept.
If account is not locked, auto-accept.

* Handle ActivityPub Accept/Reject-Follow

* Fix wrong method

* Fix wrong class

* Add faved toot to faves column

* renamed append to prepend for clarity

To be able to pull some basic statistics from a Mastodon instance, include the
user, status and connected domain counters in the `/api/v1/instance` response.

Fixes #3570.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

* Add ActivityPub inbox

* Handle ActivityPub deletes

* Handle ActivityPub creates

* Handle ActivityPub announces

* Stubs for handling all activities that need to be handled

* Add ActivityPub actor resolving

* Handle conversation URI passing in ActivityPub

* Handle content language in ActivityPub

* Send accept header when fetching actor, handle JSON parse errors

* Test for ActivityPub::FetchRemoteAccountService

* Handle public key and icon/image when embedded/as array/as resolvable URI

* Implement ActivityPub::FetchRemoteStatusService

* Add stubs for more interactions

* Undo activities implemented

* Handle out of order activities

* Hook up ActivityPub to ResolveRemoteAccountService, handle
Update Account activities

* Add fragment IDs to all transient activity serializers

* Add tests and fixes

* Add stubs for missing tests

* Add more tests

* Add more tests

* Added a button to open the onboarding modal

* Fixed onboarding modal

* added a show-me-around getting-started menu button

Resolve #3199

apply same style class to the About description on both the landing page
and the about/more page

* Revert "Adjust tags and accounts page (#4534)"

This reverts commit a3e53bd442.

* Revert "feat: Cache status height to avoid expensive renders (#4439)"

This reverts commit 8eb6d171e6.

* Revert "Refactor Avatar and AvatarOverlay to have 'account' as prop instead of src and staticSrc (#4526)"

This reverts commit 5942347407.

* Revert "Update dependencies for Ruby (#4543)"

This reverts commit 22db947225.

* Revert "[Docker] Add multicore support to "make" and "bundler" (#4544)"

This reverts commit 5d408fd9aa.

* Revert "It makes no sense to try using invalid or expired link again (#4521)"

This reverts commit 47579ec58c.

* Revert "i18n: Update Polish translation (#4545)"

This reverts commit 3363a05539.

* Revert "Set false to animated options for thumbnail processor (#4547)"

This reverts commit 87f10d476c.