Merge branch '11274-the-geo-db-test-prepare-rake-task-is-broken-after-upgrade-to-rails-5-1' into 'master'

Use #load_schema instead instead of #load_schema_for

Closes #11274

See merge request gitlab-org/gitlab-ee!11430

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Update proofreader.md - add simplified chinese proofreader

See merge request gitlab-org/gitlab-ce!27568

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Rails 5.1 removed the deprecated method #load_schema_for in favor
of #load_schema.

Support negative matches

See merge request gitlab-org/gitlab-ce!27510

Fix issue with list label text color

Closes #47584

See merge request gitlab-org/gitlab-ce!26794

Add feature flag to disable LFS check

Closes #60588

See merge request gitlab-org/gitlab-ce!27451

This adds support for != and !~ operators
giving more flexibility in comparing values

Add whitespace for list so it renders

See merge request gitlab-org/gitlab-ce!27564

Upgrade Rails to 5.1

See merge request gitlab-org/gitlab-ce!27480

Add newly available badge

See merge request gitlab-org/gitlab-ee!11401

[EE] Upgrade Rails to 5.1

See merge request gitlab-org/gitlab-ee!11197

Add auto_ssl_enabled to pages domains

See merge request gitlab-org/gitlab-ce!27304

Update docs - Use cases for epics

Closes #4633

See merge request gitlab-org/gitlab-ee!6949

Make it clearer when CI_MERGE_REQUEST_ variables are available

Closes #60308

See merge request gitlab-org/gitlab-ce!27460

Adds `label_name` back as a scalar param in `IssuableFinder`

Closes #60569

See merge request gitlab-org/gitlab-ce!27507

Geo - Implement selective sync support for the LFS objects FDW queries

Closes #11002

See merge request gitlab-org/gitlab-ee!10757

Extract a helper method to avoid code duplication.

Update proofreader.md - remove incorrect proofreader and resign

See merge request gitlab-org/gitlab-ce!27567

Update proofreader.md - Request to be proofreader

See merge request gitlab-org/gitlab-ce!27556