Add subscribe filter to labels page

See merge request gitlab-org/gitlab-ee!7724

EE port of Renders empty states in the Vue app in Job page

See merge request gitlab-org/gitlab-ee!7794

Support short reference to epics from project entities

Closes #7287

See merge request gitlab-org/gitlab-ee!7475

Update CE-to-EE docs for 11.4

See merge request gitlab-org/gitlab-ee!7741

Docs: add product badge to Code Owners

See merge request gitlab-org/gitlab-ee!7767

Support autocomplete for commands in group entities

Closes #7723

See merge request gitlab-org/gitlab-ee!7588

Update DB model for security reports

See merge request gitlab-org/gitlab-ee!7779

Show promotion for epics on issues

See merge request gitlab-org/gitlab-ee!7602

Feature flags MVC

See merge request gitlab-org/gitlab-ee!7433

Simplify runner registration token resetting

See merge request gitlab-org/gitlab-ee!7511

Refactor labels_filter_path method to be consistent with other similar
methods like search_filter_path, milestones_filter_path etc.

Also move repeating code in labels index page nav into shared partial
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

CE upstream - 2018-10-03 09:21 UTC

See merge request gitlab-org/gitlab-ee!7781

The Unleash API is mounted in:
/api/v4/feature_flags/unleash/:project_id/

- Make name unique
- Make description to be as much as 255 characters longs
- Make the list paginated and ordered