* master: (61 commits)
  Update CHANGELOG.md for 10.6.1
  Update CHANGELOG-EE.md for 10.6.1-ee
  Put forms from expandable sections into fieldset to ensure proper animation
  Remove gray background from app setting expandable sections
  Improve application settings page according to feedback
  Fix failing spec in ee/spec/controllers/projects/variables_controller_spec.rb
  Prevent unnecessary, excessive updates
  Re-arrange deployment_platform to avoid cop complainments
  Make #base_pipeline returning the latest available pipeline for MR's base commit
  fix conflict
  Bump `state_machines-activerecord` to `0.5.1`
  Docs organize main page by product category
  ProtectedBranch API omits empty declared params
  Fix deployment_platform not memoizing values in correct way
  Move UI of several application settings to expandable block
  add SHA1 fingerprint requirement
  Make stage seed instance variables less ambiguous
  Remove outdates TODOs from pipeline class
  Remove N+1 query for Noteable association.
  Disable cursor for review mode in the IDE
  ...

Redesign application settings to match project settings (part 1)

See merge request gitlab-org/gitlab-ee!5113

[ci skip]

[ci skip]

Use `NOTE:` `CAUTION:` markup

See merge request gitlab-org/gitlab-ee!5026

Resolve "Multiple clusters: incorrect cluster details injected - environment scope is ignored"

Closes #5347

See merge request gitlab-org/gitlab-ee!5047

CE upstream - 2018-03-26 15:28 UTC

See merge request gitlab-org/gitlab-ee!5115

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

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

* Replace btn-save with btn-success
* Add id to each section so it can be directly linked
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

EE fixes for https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/17796

Prevent unnecessary, excessive updates

Closes #5432

See merge request gitlab-org/gitlab-ee!5119

Make #base_pipeline returning the latest available pipeline for MR's base commit

Closes #5384

See merge request gitlab-org/gitlab-ee!5114

Pipeline creation service refactoring / EE

See merge request gitlab-org/gitlab-ee!5072

[Geo] Fix project rename when wiki does not exist

See merge request gitlab-org/gitlab-ee!5076

# Conflicts:
#	doc/README.md

[ci skip]

Bump `state_machines-activerecord` to `0.5.1`

See merge request gitlab-org/gitlab-ce!17924

[CE] ProtectedBranch API omits empty declared params

See merge request gitlab-org/gitlab-ce!17993

Docs organize main page by product category

See merge request gitlab-org/gitlab-ee!5052

Docs organize main page by product category

See merge request gitlab-org/gitlab-ce!17429

CE upstream - 2018-03-26 09:28 UTC

See merge request gitlab-org/gitlab-ee!5111

Move the rest EE files from app and lib

See merge request gitlab-org/gitlab-ee!5057

Array.fill polyfill for IE 11 compatibility.

Closes #44103

See merge request gitlab-org/gitlab-ce!17897

Merge branch '5409-geo-recovery-from-geo-temporary-directory-doesn-t-work-if-the-namespace-directory-doesn-t-exist' into 'master'

Resolve "Geo: Recovery from @geo-temporary directory doesn't work if the namespace directory doesn't exist"

Closes #5409

See merge request gitlab-org/gitlab-ee!5100

Disable cursor for review mode in the IDE

Closes #44307

See merge request gitlab-org/gitlab-ce!17955

Merge branch '43316-controller-parameters-handling-sensitive-information-should-use-a-more-specific-name' into 'master'

Resolve "Controller parameters handling sensitive information should use a more specific name"

Closes #43316

See merge request gitlab-org/gitlab-ce!17796

To make design consistent with project settings

Next admin area application settings are afected by this commit:

* Visibility and access control
* Account and limit settings
* Sign in
* Sign up
* Help page
* Pages
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Define a chat responder for the Slack app

Closes #5383

See merge request gitlab-org/gitlab-ee!5077

add SHA1 fingerprint requirement

See merge request gitlab-org/gitlab-ce!17976