Document how to use multiple clusters with Auto DevOps

Closes #5887

See merge request gitlab-org/gitlab-ee!5578

Resolve "Extract EE specific files/lines for app/views/admin/groups"

Closes #6216

See merge request gitlab-org/gitlab-ee!5921

Add service discovery for the DB load balancer

See merge request gitlab-org/gitlab-ee!5883

compat gitlab-ce!18466 label list page redesign with draggable labels

See merge request gitlab-org/gitlab-ee!6003

Add documentation

See merge request gitlab-org/gitlab-ee!6025

Enforce UTF-8 encoding on user input in LogrageWithTimestamp formatter

See merge request gitlab-org/gitlab-ee!5908

Change EKS article yaml frontmatter

See merge request gitlab-org/gitlab-ee!6026

Bump grape-path-helpers to solve a bug in GrapePathHelpers::NamedRouteMatcher

See merge request gitlab-org/gitlab-ee!6024

Signed-off-by: Rémy Coutable <remy@rymai.me>

# Conflicts:
#   Gemfile.lock

CE upstream - 2018-06-06 15:12 UTC

Closes #4811 and gitlab-ce#47280

See merge request gitlab-org/gitlab-ee!6012

Moving rev-list lfs options to Lfschanges

See merge request gitlab-org/gitlab-ee!6018

[EE] update net-ssh 4 -> 5, remove rbnacl, rbnacl-libsodium (not needed)

See merge request gitlab-org/gitlab-ee!5994

Port of 43597-new-navigation-themes to EE

See merge request gitlab-org/gitlab-ee!6013

If you include this helper with a class that also implements `method_missing`,
this would result in AbstractController::DoubleRenderError.

See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/19487#note_79096902.

Remove redundant has_internal_id

See merge request gitlab-org/gitlab-ee!6008

 Conflicts:
   app/models/ci/pipeline.rb

Fix related issues top padding

Closes #6330

See merge request gitlab-org/gitlab-ee!6019

Fix export issues modal

Closes #6319

See merge request gitlab-org/gitlab-ee!6014

Enforce UTF-8 encoding on user input in LogrageWithTimestamp formatter and filter out file content from logs

[ci skip]

[ci skip]

# Conflicts:
#   app/views/projects/labels/index.html.haml

Merge branch '6014-geo-fix-index-for-outdated-projects-on-the-project-repository-states' into 'master'

Resolve "Geo - Revisit the indexes on the project_repository_states table"

Closes #6014

See merge request gitlab-org/gitlab-ee!5986

Member tabs EE port

See merge request gitlab-org/gitlab-ee!5988

Docs: Add EKS integration tutorial

See merge request gitlab-org/gitlab-ee!6015