Fix admin_labels_spec.rb transient failure

Closes #27855

See merge request !9135

Show Pipeline(not Job) in MR CI status desktop notification

Closes #27955

See merge request !9122

* master:
  Remove a transient failure from spec/requests/api/groups_spec.rb
  Update PROCESS.md
  Update MergeRequest API state_event option documentation

Make sure our current .gitlab-ci.yml is valid

See merge request !9125

Remove a transient failure from spec/requests/api/groups_spec.rb

Closes #27974

See merge request !9116

Update MergeRequest API state_event option documentation

Closes #25566

See merge request !8077

Add clarification to RC1 date

See merge request !9104

* master:
  Rename issuable to IssueBase

Rename issuable to IssueBase

See merge request !9127

This could prevent errors described in:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/8970

Everything we're using right now, should be valid of course.

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/27955

Added header to protected branches access dropdowns

See merge request !8774

Allow copying a created branch name to the clipboard.

See merge request !9103

Responsive title in diffs inline, side by side, with and without sidebar

Closes #25709

See merge request !8707

Fix contribution activity alignment

Closes #27943

See merge request !9101

Add a spec for our custom GemFetcher cop

See merge request !9076

Upgrade to webpack v2.2.1

See merge request !9078

Fixes dropdown width in admin project page

Closes #27726

See merge request !9002

Adds a null check to build notifications

Closes #27948

See merge request !9108

Update the rspec_profiling gem to 0.0.5

Closes #27517

See merge request !9094

Upgrade from Babel 5 to Babel 6

See merge request !9072

oauth2.md: should use the provider's URL which is gitlab.example.com

See merge request !8173

Move 'User Snippets' Spinach feature to Rspec

See merge request !8574

Closes #27948

Update LICENSE to 2017

See merge request !9079

Refactored diff notes Vue app

See merge request !9065