CE upstream - Wednesday

Closes gitaly#182, gitlab-ce#31276, #1440, and gitlab-ce#22740

See merge request !1725

Update ldap.md to clarify uid should list the attribute not the value

See merge request !1734

This was caused by
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10320Signed-off-by: Rémy Coutable <remy@rymai.me>

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

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

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

Improve GitLab Geo documentation

See merge request !1714

refactor ee-docs landing page

Closes #2240

See merge request !1702

Add custom LDAP user and group sync settings

See merge request !1636

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

# Conflicts:
#	.gitlab-ci.yml
#	CHANGELOG.md
#	Gemfile.lock
#	app/views/projects/blob/_header.html.haml
#	config/database.yml.postgresql
#	db/schema.rb
#	scripts/prepare_build.sh
#	spec/features/merge_requests/diffs_spec.rb
#	spec/features/protected_branches_spec.rb
#	spec/javascripts/blob/blob_fork_suggestion_spec.js
#	spec/support/test_env.rb
#	yarn.lock
[ci skip]

Load a project's CI status in batch from redis

Closes #27376

See merge request !10785

Port of: Load pipeline status for a project in batch from redis

See merge request !1723

[ci skip]

Wait for AJAX after steps defined in SharedActiveTab

Closes #31439

See merge request !10935

[ci skip]

[ci skip]

Add issues/:iid/closed_by api endpoint

Closes #26437

See merge request !10511

Refactoring rake task to import GitHub repositories

See merge request !10695

More merge request filters

Closes #26301

See merge request !10924

This manually merges https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10874
into master after resolving conflicts.