Issuing 6M writings in a N+1 manner in Redis takes time, 3 hours to be precise. This commit makes it schedule 5 jobs at a time, what should make it schedule every job in approximately 40 minutes

This reverts commit 15ec6a13.

Rename code climate to code quality

See merge request gitlab-org/gitlab-ce!20506

CE: Resolve "Extract EE specific files/lines for spec/mailers, app/mailers/preview"

See merge request gitlab-org/gitlab-ce!20508

Rails5 MySQL fix rename_column as part of cleanup_concurrent_column_type_change for timestamps

See merge request gitlab-org/gitlab-ce!20514

Backport some changes made for this spec in EE

See merge request gitlab-org/gitlab-ce!20318

Update bitbucket.md to fix typo and small grammar touchups.

See merge request gitlab-org/gitlab-ce!20482

Update time_helper.rb to fix output for exact minutes.

Closes #48948

See merge request gitlab-org/gitlab-ce!20479

Document update for GitLab Pages users.

See merge request gitlab-org/gitlab-ce!20412

Fix API docs around unauthenticated projects return fields

See merge request gitlab-org/gitlab-ce!20477

Use Gitaly for fetches and creating bundles

Closes gitaly#387, gitaly#874, gitaly#750, and gitaly#665

See merge request gitlab-org/gitlab-ce!20490

Improve metadata access performance

See merge request gitlab-org/gitlab-ce!20493

Resolve "PUT /projects/:id : unable to update avatar alone"

Closes #48537

See merge request gitlab-org/gitlab-ce!20505

Resolve "API: /groups/:name query very slow for groups with many projects"

Closes #42415

See merge request gitlab-org/gitlab-ce!20494

Fix mountComponent helper path in docs

See merge request gitlab-org/gitlab-ce!20511

Support manually stopping any environment from the UI

Closes #25388

See merge request gitlab-org/gitlab-ce!20077

Resolve "MR refactor: All actions under diff module are being exported twice"

Closes #48951

See merge request gitlab-org/gitlab-ce!20499

Fix link to frontend in handbook

See merge request gitlab-org/gitlab-ce!20504

Shorten CHANGELOG filename to avoid breaking ecryptfs users

Closes #49038

See merge request gitlab-org/gitlab-ce!20512

[ci skip]

Closes #49038

Replace 48976-rails5-invalid-single-table-inheritance-type-group-is-not-a-subclass-of-gitlab-backgroundmigration-fixcrossprojectlabellinks-namespace.yml

Add additional headline for Adding SSH keys to GitLab

Closes #46395

See merge request gitlab-org/gitlab-ce!20507

Document that we don't want to wait in tests

See merge request gitlab-org/gitlab-ce!20502

Preserve the correct start/due dates on milestones when editing

Closes #41671

See merge request gitlab-org/gitlab-ce!20279