EE: Refactor how we fetch ref for merge requests

See merge request !2665

Use rspec-parameterized for table-based tests

See merge request !2655

[ci skip]

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

[EE] Enable Timecop safe mode

See merge request !2664

So that we could limit the access to Repository#fetch_ref
See: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13416#note_37487433

Add pipeline quota to user settings

Closes #3154

See merge request !2668

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

Fix: Thread safe GPGME tmp directory

Closes #35986

See merge request !13481

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add dynamic navigation tunnel to fly-out menus

Closes #35949

See merge request !13315

[ci skip]

[ci skip]

[ci skip]

Update charlock_holmes

See merge request !13523

setting of the gpg home directory is not thread safe, as the directoy
gets stored on the class.

if multiple threads change the directory at the same time, one of the
threads will be working in the wrong directory.

Resolve "Project overview page doesn't load commit metadata for repo view"

Closes #36133

See merge request !13362

Wait for requests to finish before running the ace JS

Closes #36191

See merge request !13405

The compiler needs to be pinned to c++11, which is done by
https://github.com/brianmario/charlock_holmes/commit/51d8a2f0eb1e9d3e476482727d4122b3d11b2bc6

Without this patch it won't install charlock_holmes on newer compilers.

Adds back missing code to enable the mirror repository checkbox

Closes #3146

See merge request !2670

Increase z-index of pipeline dropdown

Closes #36325

See merge request !13507

Don't rename system when migrating from 9.x -> 9.4

Closes #35525 and #36148

See merge request !13228

Bugfix.silence on disabled notifications

Closes #23714

See merge request !13325

Add notes about database performance for MySQL

See merge request !13516

Link meta issue for Geo DR

See merge request !2669