* upstream/master: (26 commits)
  Allow searching issues for strings containing colons
  Fix Spinach failure
  [ci skip] UX Guide: Add personas
  Reuse User#find_by_any_email on UserFormatter#find_by_email
  Use leading periods on UserFormatter#find_by_external_uid
  Add CHANGELOG entry
  Add a simple cache for Gitlab::GithubImport::Client#user
  GitHub Importer - Find users based on their email address
  Don't use potentially slow ForkService in spec
  Added support for Authentiq Back-Channel Logout
  Added documentation for permalinks to most recent build artifacts
  Unify issues search behavior by always filtering when ALL labels matches
  Update GitLab Pages to v0.3.1
  Document Timecop usage for time-sensitive tests
  Add process for requesting approval for licenses
  Rename karma job to rake karma
  Update positioning of nav scroll arrows
  Fix issue where files on a fork could not be edited
  Move tanuki to left of title; increase max-width of title
  Refactor project stats & last_commit CSS; left align main nav items
  ...

Allow searching issues for strings containing colons

Closes #28357

See merge request !9400

Add process for requesting approval for licenses

Closes gitlab-com/organization#22

See merge request !9242

Fix Spinach failure

See merge request !9401

Set dropdown height fixed to `250px;` and make it scrollable

Closes #26206

See merge request !9063

Rename karma job to rake karma

See merge request !9342

Resolve "Left align nav items"

Closes #27934

See merge request !9338

Fix issue where files on a fork could not be edited

Closes #28188

See merge request !9349

UX Guide: Add personas

See merge request !9390

Unify issues search behavior by always filtering when ALL labels matches

Closes #26315

See merge request !8849

GitHub Importer - Find users based on their email address

Closes #15181

See merge request !8958

Pick up option from GDK to disable webpack dev server livereload

Closes #28204

See merge request !9287

Document Timecop usage for time-sensitive tests

See merge request !9383

Remote logout functionality on Authentiq OAuth provider

See merge request !9381

Update GitLab Pages to v0.3.1

See merge request !9387

and update screenshot for maximum artifacts size.

Feedback:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9219#note_23762243
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9219#note_23762268

* upstream/master: (234 commits)
  Improve performance of User Agent Detail
  Fix some grammar in the API docs
  Remove shared example for pagination
  API: Use POST to (un)block a user
  API: Moved `DELETE /projects/:id/star` to `POST /projects/:id/unstar`
  Use grape validation for dates
  Change wording for LDAP doc that was moved to a new location
  API: Remove `DELETE projects/:id/deploy_keys/:key_id/disable`
  Download snippets with LF line-endings by default
  utilize pre-minified Vue in production since no CJS distribution is available
  Prevent project team from being truncated too early during project destruction
  loading icon sometimes toggled alongside MR pipeline contents
  fix failed spec because haml_lint
  fix incorrect sidekiq concurrency count in admin background page
  exclude rpc_pipefs from system disc info
  Fix wrong line ending [ci-skip]
  fix overlooked window binding in spec files
  remove imports loader
  replace implicit this == window with explicit binding
  Todo done clicking is kind of unusable.
  ...

Added documentation for permalinks to most recent build artifacts

Closes #27361

See merge request !8934

The returned email by the GitHub API is the user's publicly visible
email address (or null if the user has not specified a public email
address in their profile)

Fix wrong line ending [ci-skip]

See merge request !9270

Remove shared example for pagination

See merge request !9377

API: Moved `DELETE /projects/:id/star` to `POST /projects/:id/unstar`

Closes #28328

See merge request !9328

Improve performance of User Agent Detail

See merge request !9129

- Documented how to download single files from most recent artifacts
- Documented how to browse most recent artifacts

Utilize bundler-ready Vue distribution

See merge request !9357

Fix some grammar in the API docs

See merge request !9379