Port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/18645

CE upstream - 2018-04-27 18:24 UTC

Closes gitlab-development-kit#342, gitlab-ce#45045, and gitaly#314

See merge request gitlab-org/gitlab-ee!5504

Fix example config miss-alignment in uploads.object_store.connection

Closes gitlab-development-kit#342

See merge request gitlab-org/gitlab-ce!18622

CE upstream - 2018-04-27 09:32 UTC

Closes gitlab-ce#45045 and gitlab-qa#183

See merge request gitlab-org/gitlab-ee!5499

Rescue from `InvalidSignatureTimeError` on Geo API

Closes #5796

See merge request gitlab-org/gitlab-ee!5495

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/45045

We could revisit which we don't want to run in qa.

Resolve "Add how to use nip.io to Auto DevOps and Kubernetes documentation"

Closes #45561

See merge request gitlab-org/gitlab-ce!18494

Remove IDE image upload spec

Closes #45045

See merge request gitlab-org/gitlab-ce!18617

* ee/master:
  Don't run JS lint for QA either
  except is already handled, don't overwrite it
  We still want to run them in QA
  Introduce dedicated-no-docs-and-no-qa-pull-cache-job
  Remove comma from the time system notes
  Wait for page load so we're not getting stale elements
  Clear local storage after test so it's not interfering
  Select everything so we could hit protect
  Geo: Add pgbouncer and FDW documentation

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/45045

Improved specs

Remove comma from the time system notes

See merge request gitlab-org/gitlab-ce!18593

Remove comma from the time system notes

See merge request gitlab-org/gitlab-ee!5490

Geo: Add pgbouncer and FDW documentation

Closes #5061

See merge request gitlab-org/gitlab-ee!4908

Repository#exists? can only be queried with Gitaly

Closes gitaly#314

See merge request gitlab-org/gitlab-ce!18567

Don't run JS lint report for QA

See merge request gitlab-org/gitlab-ce!18621

EE: Skip db related tests for QA

See merge request gitlab-org/gitlab-ee!5500

Add gitlab-pages admin ping rake task

See merge request gitlab-org/gitlab-ce!18372

Skip db related tests for QA

See merge request gitlab-org/gitlab-ce!18618

CE: Fix QA protected branches tests

See merge request gitlab-org/gitlab-ce!18585

Fix QA protected branches tests

Closes gitlab-qa#223

See merge request gitlab-org/gitlab-ee!5479

and skip db related jobs for QA branches

and skip db related jobs for QA branches

Fix rubocop offense and enable jobs for qa

See merge request gitlab-org/gitlab-ce!18613

# Conflicts:
#	doc/administration/monitoring/prometheus/gitlab_metrics.md

[ci skip]

while producing products. Basically an attempt to fix:
https://gitlab.com/gitlab-org/gitlab-qa/-/jobs/65016456

Selenium::WebDriver::Error::StaleElementReferenceError:
  stale element reference: element is not attached to the page document

in:

``` ruby
product :name do
  Page::Project::Settings::Repository.act do
    expand_protected_branches(&:last_branch_name)
  end
end
```

Fixed typos

See merge request gitlab-org/gitlab-ce!18432