Add email_events to replace EMAIL_EVENTS because it needs to be dynamic,
allowing override for EE group to add new_epic event.

CE upstream - 2018-08-12 18:21 UTC

See merge request gitlab-org/gitlab-ee!6881

port "copy to clipboard tooltip appears under modal" to EE

See merge request gitlab-org/gitlab-ee!6877

Rails5 fix passing Group objects array into for_projects_and_groups milestone scope

See merge request gitlab-org/gitlab-ee!6873

/tag quick action on commits

See merge request gitlab-org/gitlab-ee!6869

See Danger's suggestions:
https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/6869#note_93730253

Modified find project method to return nil if project not found

Closes #5300

See merge request gitlab-org/gitlab-ee!6830

Update notifications.md to remove non-existent notifications

Closes #4102

See merge request gitlab-org/gitlab-ee!6882

Creates vue component for shared runner limit

See merge request gitlab-org/gitlab-ee!6858

Rails 5 fix alerts controller spec for post json parameters

See merge request gitlab-org/gitlab-ee!6795

Update headline hierarchy and add version note

See merge request gitlab-org/gitlab-ee!6875

# Conflicts:
#	app/views/projects/blob/_editor.html.haml
#	changelogs/unreleased/50126-blocked-user-card.yml

[ci skip]

CE upstream - 2018-08-10 15:22 UTC

See merge request gitlab-org/gitlab-ee!6871

fix design artifact label to be product discovery. Was done here…

See merge request gitlab-org/gitlab-ce!21135

Bugs and regression triage and prioritization process

See merge request gitlab-org/gitlab-ce!20623

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

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

Reorganize variables.scss, Part 1

See merge request gitlab-org/gitlab-ce!21118

ee-49807 consolidate sass variables

See merge request gitlab-org/gitlab-ee!6862

Resolve "Add missing i18n strings to issue boards."

Closes #50063

See merge request gitlab-org/gitlab-ce!21081

Merge branch 'ee-47752-buttons-on-new-file-page-wrap-outside-of-container-for-long-branch-names' into 'master'

Resolve "Buttons on new file page wrap outside of container for long branch names" - EE

See merge request gitlab-org/gitlab-ee!6811

Merge branch '47752-buttons-on-new-file-page-wrap-outside-of-container-for-long-branch-names' into 'master'

Resolve "Buttons on new file page wrap outside of container for long branch names"

Closes #47752

See merge request gitlab-org/gitlab-ce!21015

Resolve "Group Overview list items layout regression"

Closes #50176

See merge request gitlab-org/gitlab-ce!21124

Add frozen_string_literal to recently-added files from the community

See merge request gitlab-org/gitlab-ce!21132

Resolve "Consider enforcing the use of the new Ruby safe navigation operator (aka `&.`)"

Closes #27884

See merge request gitlab-org/gitlab-ce!21140