Merge upstream changes

Conflicts:
- README.md: kept our version

Merge upstream changes

Port a53dcaa298 to glitch-soc

* Fix initial value of volume slider in video player and handle volume changes

* Clean up dead/incorrect code

Merge upstream changes

Merge upstream changes

Merge upstream changes

Fix #9906

In #9210 the track color was changed to transparent for no apparent reason. This PR restores the previous color selections implemented in #8653 while keeping the updated property name. Per https://github.com/tootsuite/mastodon/pull/9210#issuecomment-441788776 there is no particular reason for the color change in #9210.

If the first link to be verified contains a rel=me link with a SSL
error, the VerifyAccountLinksWorker will fail and not try the following
links. This rescues the SSL error when fetching the link, avoiding this
issue.

In #9210 the track color was changed to transparent for no apparent reason. This PR restores the previous color selections implemented in #8653 while keeping the updated property name. Per https://github.com/tootsuite/mastodon/pull/9210#issuecomment-441788776 there is no particular reason for the color change in #9210.

Fix crash in Direct Messages column settings

Fixes #892

Bumps [oj](https://github.com/ohler55/oj) from 3.7.7 to 3.7.8.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ohler55/oj/compare/v3.7.7...v3.7.8)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.63.0 to 0.63.1.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop/compare/v0.63.0...v0.63.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

* Add test for not persisting status when attaching media to scheduled toot

* Prevent status used for validation from being persisted to the database

Fixes #9893

Thanks to tateisu for the help investigating this.

Bumps [json-ld-preloaded](https://github.com/ruby-rdf/json-ld-preloaded) from 3.0.0 to 3.0.2.
- [Release notes](https://github.com/ruby-rdf/json-ld-preloaded/releases)
- [Commits](https://github.com/ruby-rdf/json-ld-preloaded/compare/3.0.0...3.0.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [pundit](https://github.com/varvet/pundit) from 2.0.0 to 2.0.1.
- [Release notes](https://github.com/varvet/pundit/releases)
- [Changelog](https://github.com/varvet/pundit/blob/master/CHANGELOG.md)
- [Commits](https://github.com/varvet/pundit/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [rspec-rails](https://github.com/rspec/rspec-rails) from 3.8.1 to 3.8.2.
- [Release notes](https://github.com/rspec/rspec-rails/releases)
- [Changelog](https://github.com/rspec/rspec-rails/blob/master/Changelog.md)
- [Commits](https://github.com/rspec/rspec-rails/compare/v3.8.1...v3.8.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [addressable](https://github.com/sporkmonger/addressable) from 2.5.2 to 2.6.0.
- [Release notes](https://github.com/sporkmonger/addressable/releases)
- [Changelog](https://github.com/sporkmonger/addressable/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sporkmonger/addressable/compare/addressable-2.5.2...addressable-2.6.0)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Merge upstream changes (v2.7.0)

Merge upstream changes

* Update Japanese translations.

* Delete unused translation.

Port 3b3a4d8a17 to glitch-soc

Port 30af4ee65f to glitch-soc

Port b506ce1197 to glitch-soc

Port SCSS changes from a492a9bcd3 to glitch-soc

Port 8b19903559 to glitch-soc