Deployment and Play endpoints

See merge request !5825

Attempted improvement to stop boards spec failing



See merge request !5869

Allow naming (and deleting) U2F devices.

## What does this MR do?

- Allow giving each U2F device a name (at the time of registration).
- Allow deleting individual U2F devices.
- Display a list of registered U2F devices.

## What are the relevant issue numbers?

- Closes #17334 
- Closes #17335 

See merge request !5833

edit_blob_link can receive the blob to avoid access to the repository

## What does this MR do?

Avoid access to the repository to get the blob when can be passed on context

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

#20454 to try to speed up the diff pages

## What are the relevant issue numbers?

Relates #20454 probably we want and UI solution not just a backend solution

## Screenshots (if relevant)

## Does this MR meet the acceptance criteria?

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- ~~[ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)~~
- ~~[ ] API support added~~
- Tests
  - [x] Added for this feature/bug
  - [ ] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)


See merge request !5850

Add endpoints for pipelines

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [x] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [x] API support added
- Tests
  - [x] Added for this feature/bug
  - [x] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

See merge request !5837

Add merge conflict resolution to CHANGELOG

😊 

See merge request !5863

Fix email line-height in Outlook

On Outlook.com:

![image](/uploads/4bfa8daacce39a640428dff6eec0c098/image.png)

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/19060.

See merge request !5843

Fix broken feature spec.

This older spec was failing: features/project/issues/issues.feature

Looks like before we were doing an exact match for queries, that's why
it was passing with this existing issue: https://gitlab.com/gitlab-org/gitlab-ce/blob/59fa031e6f7d5a1b658c370f581c4caaf4493150/features/project/issues/issues.feature#L128

Failed build: https://gitlab.com/gitlab-org/gitlab-ce/builds/3178231

See merge request !5857

Remove undefined word Corporation from CCLA

## What does this MR do?

Removes the (undefined) word "Corporation" from the CCLA, per advice from legal counsel.

## Why was this MR needed?

The word Corporation was undefined, while the word "You" already included "legal entities".

## What are the relevant issue numbers?

- https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/3685
- https://gitlab.com/gitlab-org/gitlab-ce/issues/15156

\cc @pmachle

See merge request !5835

Simplify SQL queries of marking a todo as done

See merge request !5832

1. Remove an unnecessary (since we're fetching all the records anyway)
   `pluck` while fetching U2F registration records.

2. Align "Your device was successfully set up!" section with the "U2F
   Devices" table below.

1. Display a list of U2F devices on the `two_factor_auth` page.

2. Allow deleting individual U2F devices.

3. Allow setting a (optional) name for a device (during registration).

Update changelog

## What does this MR do?
Updates Changelog: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/5485#note_14008742

See merge request !5854

Follow-up on 52b0c26

Update gitlab_git gem to 10.4.7

See merge request !5851

Fix documentation of gitlab-ci's `when` keyword.

## What does this MR do?

Fixes description of the `when` keyword in the Jobs keywords description table.

## Does this MR meet the acceptance criteria?

- [ ] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

See merge request !5868

Make new tabs persistent when changing view.

## What does this MR do?

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

## What are the relevant issue numbers?

## Screenshots (if relevant)

## Does this MR meet the acceptance criteria?

- [ ] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

cc @stanhu @DouweM @rdavila 

See merge request !5859

Refactor description templates documentation

## What are the relevant issue numbers?

Refactors docs introduced by https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4981

See merge request !5839

Test was not waiting for the page to be fully loaded