* upstream/master: (307 commits)
  Address feedback
  Add small update for the i18n guide.
  update webpack to v2.6.1 patch release to fix "Can't find variable: Promise" error
  update webpack-bundle-analyzer past v2.4.1 to support NamedChunksPlugin
  name all webpack chunks to improve long term cacheability
  add NameAllModulesPlugin to cover shortcomings of NamedModulesPlugin
  upgrade to latest webpack version
  Only use DROP INDEX CONCURRENTLY on postgreql 9.2+
  Provide default for calculating label text color (!11681)
  Add failing test for #32728
  Bugfix: Always use the default language when generating emails.
  Remove unecessary commit pattern check
  Add regexp_for_value helper method
  Remove shared example and improve sub_group_issuables_spec.rb
  Remove 'should' from scenario in has_subgroup_title_spec.rb
  Cartfile git and binary methods cannot take a GitHub repo
  Fix terminals support for Kubernetes service
  Add review comments to compare_spec.rb
  Fix transient error clicking dropdown items in compare_spec.rb
  Use non-global jQuery reference within raven bundle
  ...

Return the last coverage in trace stream

Closes #31556

See merge request !11128

Resolve "Audit long-term cacheability of webpack assets"

Closes #32737

See merge request !11622

Clean up diff rendering

See merge request !11390

Resolve "GitLab 9.0 to 9.2 is incompatible with PostgreSQL 9.1"

See merge request !11709

Add small update for the i18n guide.

See merge request !11719

Prevent commits from upstream repositories to be re-processed by forks

Closes #19262

See merge request !11511

Provide default for calculating label text color

Closes #32728

See merge request !11681

Bugfix: Always use the default language when generating emails.

Closes #32748

See merge request !11662

Recompile test env Gitaly when `GITALY_SERVER_VERSION` fails

Closes #32762

See merge request !11664

Fix note header author and time ago wrapping in parallel diff

Closes #32801

See merge request !11702

Autolink package names in more dependency files

See merge request !11226

Fix filtered search issuable empty state exception

Closes #31455

See merge request !11347

Remove 0 margin bottom for last paragraph on note text

See merge request !11699

There was a race condition issue when the application was generating an
email and was using a language that was previously being used in other
request.

Refactor `DynamicPathValidator` and `GitLab::Regex` some more

See merge request !11693

Fix terminals support for Kubernetes service

Closes #31754

See merge request !11653

Use grpc 1.3.4

See merge request !11645

Implement Web Hooks calls logging

Closes #17848

See merge request !11027

It was broken, because we introduced a default namespace, which was not used by terminal methods.

Use smaller image when triggering a build

See merge request !11674

Fix transient error clicking dropdown items in compare_spec.rb

See merge request !11582

Add notes to the kubernetes install docs regarding source IPs

Closes #32890

See merge request !11697

Add docs on milestone percentage stats

See merge request !11428