* Check if image value is nil? before creating an image

Check if uploaded images aren't nil before creating SiteUpload models
for them.

* Validate presence of file in SiteUpload

* Fix file presence validation

* Fabricate SiteUpload#file

* Add link to Creative Commons license

* Update Japanese translations.

run yarn manage:translations && i18n-tasks add-missing

* Update Japanese translations.

* Fix mistake

* Change to be concise.

Fixes #10429

These will allow these images to be uploaded again on the admin settings
page.

Update AUTHORS.md
Update CHANGELOG.md

* Add ActivityPub representation for identity proofs

* Add tests

Fix #10315

This reverts commit db06b253.

The search API now supports returning more results and pagination,
but until the web UI implements pagination, it makes no sense to
dump so many results at once. This fix restores the behaviour
before the API change

* Fix Korean translation

* Add missing translation

Bumps [capybara](https://github.com/teamcapybara/capybara) from 3.15.0 to 3.16.0.
- [Release notes](https://github.com/teamcapybara/capybara/releases)
- [Changelog](https://github.com/teamcapybara/capybara/blob/master/History.md)
- [Commits](https://github.com/teamcapybara/capybara/compare/3.15.0...3.16.0

)

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

* Update Corsican translation

* Update Corsican YML

* Corsican JSON fix

* Update co.yml

Fix #10305

Bumps [aws-sdk-s3](https://github.com/aws/aws-sdk-ruby) from 1.35.0 to 1.36.0.
- [Release notes](https://github.com/aws/aws-sdk-ruby/releases)
- [Changelog](https://github.com/aws/aws-sdk-ruby/blob/master/gems/aws-sdk-s3/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/compare/v1.35.0...v1.36.0

)

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

Bumps [rails](https://github.com/rails/rails) from 5.2.2.1 to 5.2.3.
- [Release notes](https://github.com/rails/rails/releases)
- [Commits](https://github.com/rails/rails/compare/v5.2.2.1...v5.2.3

)

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

Also, fix some n+1 queries

Resolve #10365

Bumps [devise](https://github.com/plataformatec/devise) from 4.5.0 to 4.6.2. **This update includes security fixes.**
- [Release notes](https://github.com/plataformatec/devise/releases)
- [Changelog](https://github.com/plataformatec/devise/blob/master/CHANGELOG.md)
- [Commits](https://github.com/plataformatec/devise/compare/v4.5.0...v4.6.2

)

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

* Revert ruined translations

Regression from #10362

* yarn manage:translations

Fix #10324

Bumps [tzinfo-data](https://github.com/tzinfo/tzinfo-data) from 1.2018.9 to 1.2019.1.
- [Release notes](https://github.com/tzinfo/tzinfo-data/releases)
- [Commits](https://github.com/tzinfo/tzinfo-data/compare/v1.2018.9...v1.2019.1

)

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

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/Shopify/bootsnap/releases)
- [Changelog](https://github.com/Shopify/bootsnap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Shopify/bootsnap/compare/v1.4.1...v1.4.2

)

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

Fix #8078

* Move the account dropdown menubar to the right, make sure it doesn't move

* Fix margin

* Fix HTML validation

* Report first HTML error instead on validation error