Add japanese translations for pin_errors.

SerializarbleResource#as_json serializes to Symbol keyed Hash, but current
implementation of LinkedDataSignature expects String keyed Hash.

So it generates broken payload.

For some languages publish translation is long.

* Add handling of Linked Data Signatures in payloads

* Add a way to sign JSON, fix canonicalization of signature options

* Fix signatureValue encoding, send out signed JSON when distributing

* Add missing security context

Added new translations of error messages, block and mute domains and users, privacy disclaimers, etc (#4700)

* Added new translations of error messages, block and mute domains and users

* Added new translations of error messages, block and mute domains and users

Remove ! from compose_form.publish

* Allow multiple pinned statuses to be shown and make them be ordered by pinned date

* Set timestamps NOT NULL

* Make single-line pinned_statuses

* Spec for pinned_statuses

* Remove redundant empty line

* Adjust about.scss

* Delete trailing whitespace.

* Added string for pinned toots

* Pinned toot #4675 + missing string

Somehow I deleted it "enabled_success"

* update after advice

* Add label for application scopes

* hint

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

* Pinned statuses

* yarn manage:translations

* Add Russian translation (ru)

* Fix a missing comma

* Fix the wording for better consistency

* Update Russian translation

* Arrange Russian setting alphabetically

* Fix syntax error

* Update Russian translation

* Fix formatting error

* Update Russian translation

* Update Russian translation

* Update ru.jsx

* Fix syntax error

* Remove two_factor_auth.warning (appears obsolete)

* Add missing strings in ru.yml

A lot of new strings translated, especially for the newly added admin section

* Fix translation consistency

* Update Russian translation

* Update Russian translation (pluralizations)

* Update Russian translation

* Update Russian translation

* Update Russian translation (pin)

* Update Russian translation (account deletion)

* Fix extra line

* Update Russian translation (sessions)

* Update Russian translation

* Update Russian translation

* Fix merge conflicts (revert)

* Don't load Roboto webfont when system font is used in the app

* remove trailing whitespace

* Process Create / Announce activity in FetchRemoteStatusService

* Use activity URL in ActivityPub for reblogs

* Redirect to the original status on StatusesController#show

Do not reject console.error and console.warn with ESLint rules.

* New strings

* Update

Thin non breaking spaces

* Update

Thin non breaking spaces

* Update

Thin non breaking spaces

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

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

* Add Japanese translations for #2758, #4506, #4521, #4600 and #4664

* Do not translate Inbox URL and Outbox URL

* Remove "あなたの"

* Remove "あなたの"

- Section it into "Development" area
- Improve UI of application form, index, and details

* Add Mastodon::Source.url

* Update spec

* Refactor

Move things frmo Mastodon::Source to Mastodon::Version

* Ignore empty response in ActivityPub::FetchRemoteStatusService

This fixes `NoMethodError: undefined method `[]' for nil:NilClass` error.

* Check json.nil? in JsonLdHelper#supported_context?