If source branch or target branch doesn't exist in the project, display
form validation errors. Previously, this caused a 500 error code.

Fix Markdown styling inside reference links

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/18096.

Based off https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/6609.

See merge request !7169

Fix project visibility level link

Fix wrong syntax for link generation.

See merge request !7201

Update tags.md

See merge request !7202

Fixes: https://gitlab.com/gitlab-org/gitlab-ce/issues/18096

Optimize group labels page

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/23684

Closes https://gitlab.com/gitlab-org/gitlab-ee/issues/1148

See merge request !7123

Updated positioning of copy file path button in diffs

## What does this MR do?

Updated the positioning of the copy file path button in diffs.

## Screenshots (if relevant)

![Screen_Shot_2016-10-31_at_16.53.24](/uploads/53de39ce550855f86b90d2d9fc227f95/Screen_Shot_2016-10-31_at_16.53.24.png)

## What are the relevant issue numbers?

Closes #23591

See merge request !7203

GrapeDSL for branches endpoints

No changelog item as it doesn't change behaviour
Cherry-picket from !6330

See merge request !6630

Add ES array methods as cause of Phantom.js errors.

## What does this MR do?

Adds another example of something that causes a common error in JavaScript testing to the frontend dev docs.

See merge request !7102

Resolve "Clean up commit meta info view"

Updates commit page design   
Before:   
![Screen_Shot_2016-10-19_at_10.20.10_AM](/uploads/8737a9db01bffc019d8b2c71a943024b/Screen_Shot_2016-10-19_at_10.20.10_AM.png)
After:   
![Screen_Shot_2016-10-19_at_10.20.01_AM](/uploads/716cb902bd20dedc705a8f81f6536736/Screen_Shot_2016-10-19_at_10.20.01_AM.png)
![Screen_Shot_2016-10-19_at_10.27.01_AM](/uploads/4228575f50990a88bc828037d8fb99f2/Screen_Shot_2016-10-19_at_10.27.01_AM.png)
Closes #20892

See merge request !6994

[ci skip]
Signed-off-by: Rémy Coutable <remy@rymai.me>

Closes #23591

Fix builds tab visibility

closes #23951

See merge request !7178

# Conflicts:
#   app/workers/project_web_hook_worker.rb

Fix lightweight tags not processed correctly by GitTagPushService

## What does this MR do?

Fix lightweight tags not processed correctly by GitTagPushService

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

No

## Why was this MR needed?

Lightweight tags were being processed incorrectly, causing tag triggers to receive wrong information and not function properly.

## 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 [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] 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)

## What are the relevant issue numbers?


Closes #22271

See merge request !6532

Optimize Event queries by removing default order

See merge request !7130

Remove unreferenced LFS objects from DB and fs

Fixes #3666

See merge request !5901

Remove unreferenced LFS objects from DB and fs

Fixes #3666

See merge request !5901

Bump gitlab-shell version to 4.0.0

New version includes https://gitlab.com/gitlab-org/gitlab-shell/merge_requests/102 and needed for https://gitlab.com/gitlab-org/gitlab-ce/issues/2772

See merge request !7200

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Improve docs on `gitlab-ci-token` user

See merge request !6002

Restrict teaspoon tasks introduced by !6059 to development environment.

Otherwise we get syntax errors in production environment, see https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/6059#note_17597729

See merge request !7189

Fixed sticky MR tabs positioning when sidebar is pinned

## What does this MR do?

The sticky MR tabs where positioned underneath the pinned sidebar. This fixes that by accounting for the size of the pinned nav.

## Screenshots (if relevant)

![Screen_Shot_2016-10-28_at_09.37.18](/uploads/0d23f2bb0e02d698c012c22c8653afd7/Screen_Shot_2016-10-28_at_09.37.18.png)

## What are the relevant issue numbers?

Closes #23926

See merge request !7167

Do not allow text input in dropdown while loading

## What does this MR do?
It moves the focus event of the text input of a filterable dropdown to after loading of options is complete. After the fix, the user cannot edit the while it's greyed out and loading.
## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?
It fixes the bug in https://gitlab.com/gitlab-org/gitlab-ce/issues/23496.
## Screenshots (if relevant)
![https://gitlab.com/gitlab-org/gitlab-ce/uploads/a7bc2f0228fcde5a85cccb333b52f0e3/2016-10-18_12.00.54.gif](https://gitlab.com/gitlab-org/gitlab-ce/uploads/a7bc2f0228fcde5a85cccb333b52f0e3/2016-10-18_12.00.54.gif)

## What are the relevant issue numbers?
Fixes #23496

See merge request !7054

Closes #23926

Only remove right connector of first build of last stage

Only remove right connector of first build of last stage.
Closes #23849

See merge request !7179

Make internal api work with full repo path and name

## What does this MR do?

Make internal api work with full repo path and name

## Why was this MR needed?

So we can pass full repository path on filesystem from gitlab-shell instead of extracted one. We need this for nested groups support where project is can be nested under several groups. 

## What are the relevant issue numbers?

https://gitlab.com/gitlab-org/gitlab-ce/issues/2772

See merge request !7148

Create cycle analytics bundle

## What does this MR do?

Currently the cycle analytics file is being included in our application.js file & therefore including VueJS in application.js. This MR creates a cycle analytics bundle and only includes it on the cycle analytics page.

See merge request !7176