Add index to ci_trigger_requests for commit_id

See merge request !9124

Nested groups members page

See merge request !9062

Remove orange caret icon from MR widget

Closes #27991

See merge request !9137

rspec_profiling: Discover the correct branch name in GitLab CI

See merge request !9134

Updated protected branches dropdown image in docs

See merge request !9138

Make min width smaller for user settings

See merge request !9112

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

https://gitlab.com/gitlab-org/gitlab-ce/pipelines.json makes
a number of unindexed slow queries. This index should
speed things up.

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

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