Group issue boards

Closes #928

See merge request !2467

Merge branch 'ee-innerwhisper/gitlab-ce-31362_decrease_cyclomatic_complexity_threshold_step3' into 'master'

[EE] Port changes from gitlab-org/gitlab-ce!13972 to EE

See merge request !2843

Resolve "Promote Issue/MR templates"

Closes #2977

See merge request !2803

Remove focus styles from dropdown empty link -- EE merge edition

Closes gitlab-ce#37023

See merge request !2839

Create layer to integrate with Jira development panel (presenting commits)

Closes #2381

See merge request !2786

EE port of fly-out-top-level-item

See merge request !2856

EE port of breadcrumbs-extra-btns-remove

See merge request !2857

Resolve "Promote Advanced Global Search"

Closes #2978

See merge request !2822

We need a separate promotion for these, and in any event, none of the existing
promotions apply to people who can see group boards, as group boards is
EEP-only.

Resolve "Promote Issue weight"

Closes #2946

See merge request !2800

[EE] Update capybara 2.6.2 -> 2.15.1

See merge request !2849

Resolve "Promote issue board"

Closes #2899

See merge request !2579

Geo - Log a repository created event when a project is created

See merge request !2807

Show geo.log in the Admin area

See merge request !2845

reset namespace columns in migration

Closes https://gitlab.com/gitlab-org/gitlab-ee/issues/3356

See merge request !2847

Don't put the password in the SSH remote if using public-key authentication

Closes #3352

See merge request !2837

Port changes of gitlab-org/gitlab-ce!13902 to EE

See merge request !2848