Upgrade Rails to 5.1

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

Add auto_ssl_enabled to pages domains

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

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

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

Externalize some strings in issue page and new issue page

See merge request gitlab-org/gitlab-ce!27529

Don't create a temp reference for branch comparisons within project

Closes #58315

See merge request gitlab-org/gitlab-ce!24038

Remove protected_branch_creation feature flag

Closes #59572

See merge request gitlab-org/gitlab-ce!27543

Exclude ee/bin from Naming/FileName cop

See merge request gitlab-org/gitlab-ce!27488

Bump Sidekiq to 5.2.7

See merge request gitlab-org/gitlab-ce!27512

Resolve EE / CE diff of noteable_discussion

See merge request gitlab-org/gitlab-ce!27562

Resolve "Web IDE template dropdown showing duplicates"

Closes #58252

See merge request gitlab-org/gitlab-ce!27237

This reverts commit 2869a61f3b7aeb8b6d79c74332c93e32cec20caa.

Resolve "Web IDE uploading images shows base64 string"

Closes #59514

See merge request gitlab-org/gitlab-ce!27471

Make swipe view images line up

Closes #58850

See merge request gitlab-org/gitlab-ce!26969

If left without a width/height, swipeFrame goes off track when the image
isn't wide enough to fill the available width. The spaceLeft prevented
reaching the right edge of the image.

Resignation of Chinese Traditional(繁體中文-台湾) and Chinese Traditional(繁體中文-香港) proofreader positions

Since it's an incorrect Korean proofreader, all remove @htve

Bump Nokogiri to 1.10.3

See merge request gitlab-org/gitlab-ce!27560

Add doc cross links for large repositories

See merge request gitlab-org/gitlab-ce!27303

This was removed by a previous MR but broke some links

Changed after upstream refactor

Removes unneeded patches

Model.new.attributes now also returns encrypted attributes.

Remove unused code

See merge request gitlab-org/gitlab-ce!27557

Fixes minor bugs
(https://github.com/mperham/sidekiq/blob/master/Changes.md#526) and
keeps version used with gitlab-monitor consistent.

This pulls in a fix for libxslt that addresses CVE-2019-11068:
https://github.com/sparklemotion/nokogiri/releases

Resolve "Renaming an image via Web IDE corrupts it"

Closes #57293

See merge request gitlab-org/gitlab-ce!27486

This reverts commit e8c1c930c3bc7c159463ed3bed8765db01b40328.

Add Victor Wu as proofreader

See merge request gitlab-org/gitlab-ce!27527