Rewind iid on pipelines

Closes #59362

See merge request gitlab-org/gitlab-ce!26490

Update Node.js to 10.15.3 in CI template for Hexo

See merge request gitlab-org/gitlab-ce!25943

Fix styling for `app/assets/stylesheets/pages/status.scss`

See merge request gitlab-org/gitlab-ee!10858

Externalize several strings in controllers/services/presenters

See merge request gitlab-org/gitlab-ce!27390

- app/services
- app/controllers
- app/presenters

(EE Port) Externalize several strings in controllers/services/presenters

See merge request gitlab-org/gitlab-ee!11045

- app/services
- app/controllers
- app/presenters

Don't render artifact download links for builds with expired artifacts

See merge request gitlab-org/gitlab-ce!26753

Adds instance metrics to usage ping

Closes #53138

See merge request gitlab-org/gitlab-ce!27238

Remove EE-specific code from boards store (CE-backport)

See merge request gitlab-org/gitlab-ce!26924

Remove EE-specific code from boards store

Closes #10013

See merge request gitlab-org/gitlab-ee!10568

If no pipeline is created we currently have IID gap.
This is due to fact that we generate IID not on save,
but rather ahead of time. This results, us,
losing IIDs.

Add depedency proxy models

See merge request gitlab-org/gitlab-ee!10681

Externalize strings in lib/gitlab/quick_actions

See merge request gitlab-org/gitlab-ce!27369

(EE port) Externalize strings in lib/gitlab/quick_actions

See merge request gitlab-org/gitlab-ee!10991

- Externalize strings for desc and explanation
- Update PO file

Autosave description in epics

See merge request gitlab-org/gitlab-ce!27296

When editing an epic, the progress was previously lost due to
lack of localstorage syncing code. This commit adds support for
localstorage sync.

Autosave description in epics

Closes #4681

See merge request gitlab-org/gitlab-ee!10844

When editing an epic, the progress was previously lost due to
lack of localstorage syncing code. This commit adds support for
localstorage sync.

Allow arrays to be specified for fields in graphql_query_for

Closes #60238

See merge request gitlab-org/gitlab-ce!27142

Helm DeleteCommand

See merge request gitlab-org/gitlab-ce!27348

Add pagination to notes and discussions docs

Closes #51616

See merge request gitlab-org/gitlab-ce!27401

Reporting SSL certificate verify errors in CI external config

See merge request gitlab-org/gitlab-ce!26750

Development docs: move some docs content from Handbook and improve content/headings

See merge request gitlab-org/gitlab-ce!27399

This is the backend part which just allows uninstalling Prometheus for
now.

Fix broken master due to pipeline cache refactoring

Closes #11172

See merge request gitlab-org/gitlab-ee!11041