Add back deprecated Geo queues that were removed in 10.6

Closes #5219

See merge request gitlab-org/gitlab-ee!4928

Allow use of system git for git fetch if USE_SYSTEM_GIT_FOR_FETCH is defined

Closes #5214

See merge request gitlab-org/gitlab-ee!4929

CE upstream - 2018-03-09 18:26 UTC

Closes gitaly#1051

See merge request gitlab-org/gitlab-ee!4922

Port of "Require jQuery to be explicitly imported" to EE

See merge request gitlab-org/gitlab-ee!4925

We need to drain these queues before we can remove them completely.
Since the Log Cursor may be writing to these queues until it is
restarted, we can't guarantee that a Redis migration will properly
migrate everything.

Closes #5219

This is a workaround until we can ship git 2.16 with GitLab.

Closes #5214

Delete no longer required spec

See merge request gitlab-org/gitlab-ee!4924

Port "Remove sync script for gitlab-svgs" to EE

See merge request gitlab-org/gitlab-ee!4906

Ensure mirror can transition out of the started state when last_update_started_at is nil

Closes #5008 and #5205

See merge request gitlab-org/gitlab-ee!4923

Don't disable Container Registry for CI/CD projects

Closes #5210

See merge request gitlab-org/gitlab-ee!4921

# Conflicts:
#	app/assets/javascripts/vue_merge_request_widget/dependencies.js
#	doc/ci/yaml/README.md
#	doc/user/permissions.md
#	lib/gitlab/verify/job_artifacts.rb

[ci skip]

CE upstream - 2018-03-09 00:26 UTC

See merge request gitlab-org/gitlab-ee!4912

We should respect the default state from the application config for
these setting.

Move project fork spinach tests to RSpec

See merge request gitlab-org/gitlab-ce!17511

Move project active tab spinach tests to RSpec

See merge request gitlab-org/gitlab-ce!17628

Add `?ci_cd_only=true` query parameter to CI/CD GitHub status link -- CE backport

See merge request gitlab-org/gitlab-ce!17661

Add `?ci_cd_only=true` query parameter to CI/CD GitHub status link

Closes #5194

See merge request gitlab-org/gitlab-ee!4914

Submit a single batch blob RPC to Gitaly per HTTP request when viewing diffs

Closes #43951

See merge request gitlab-org/gitlab-ce!17659

Fix crash when checking external authorization license

Closes #5203

See merge request gitlab-org/gitlab-ee!4919

Only check the global feature directly on `License` otherwise we would
also perform the check on the namespace which would cause a crash.

Cleanup and consolidate the CI yaml docs

Closes #42914 and #18945

See merge request gitlab-org/gitlab-ce!17595

Cleanup and consolidate the CI yaml docs

See merge request gitlab-org/gitlab-ee!4918

Add rake task to cleanup any existing exclusive lease

See merge request gitlab-org/gitlab-ce!17500

Geo: Clarify message about database replication not working

Closes #4924

See merge request gitlab-org/gitlab-ee!4909

Reschedule commits_count background migration

See merge request gitlab-org/gitlab-ce!17599

Fix index name to Rails default to ensure idempotency

See merge request gitlab-org/gitlab-ce!17654

Fixing sentence about getting help page

See merge request gitlab-org/gitlab-ce!17643

Resolve "Add ~"Next Patch Release" as a priority label"

Closes #43872

See merge request gitlab-org/gitlab-ce!17525