Uses new Polling technique on the Frontend - etag

Closes #2222

See merge request !1713

Try waiting for previous dropdown to definitly close before going to click

See merge request !1806

Import the gitlab-elasticsearch-git gem

Closes gitlab-elasticsearch-git#6

See merge request !1794

Document pipeline grouping

See merge request !1757

How to Configure LDAP with GitLab EE

Closes #2101

See merge request !1784

find and match first dropdown before clicking

See merge request !1795

Support more elasticsearch versions

Closes #2253

See merge request !1716

Support advanced search queries using elasticsearch

Closes #2037

See merge request !1770

Re-enable ref operations with gitaly after not-found fix

See merge request !1758

[EE] Enable `RSpec/DescribedClass` cop and correct violations

See merge request !1721

Port of "Reject more reserved paths" to EE

See merge request !1778

Fix Geo geo:set_primary_node task not working with HTTPS

See merge request !1774

implements new logic for push mirrors to update on push

See merge request !1616

And validate if new paths need to be added.

This is a port to EE of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10413 to EE

Add a note about pipeline quota reset on the first of each month

See merge request !1772

The Rake task to set the current node as primary in Geo did not account for HTTPS.

* master:
  Display comments for personal snippets
  Properly enable rspec_profiling for PG jobs only on the CI

Port of 12910-personal-snippets-notes-show into EE

See merge request !1768

[EE] Resolve "rspec_profiling is enabled for MySQL"

See merge request !1756

# Conflicts:
#	app/controllers/snippets_controller.rb
#	app/views/projects/notes/_note.html.haml

* master: (365 commits)
  Update CHANGELOG.md for 9.1.2
  Update CHANGELOG-EE.md for 9.1.2-ee
  Update CHANGELOG.md for 9.1.2
  Update CHANGELOG-EE.md for 9.1.2-ee
  Update CHANGELOG.md for 9.1.2
  Update CHANGELOG-EE.md for 9.1.2-ee
  Update CHANGELOG.md for 9.1.2
  Update CHANGELOG-EE.md for 9.1.2-ee
  Disable AddColumnWithDefaultToLargeTable cop for pre-existing migrations
  Add AddColumnWithDefaultToLargeTable cop
  Rename AddColumnWithDefault to ReversibleAddColumnWithDefault
  Refactor the AddColumnWithDefault cop to use node matchers
  Change from .click -> .trigger('click') to make spec pass
  Enable RSpec/FilePath cop
  Address review comments for Geo spec
  Fix bug where Geo secondary Sidekiq cron jobs would not be activated if settings changed
  Remove warning about protecting Service Desk email from form
  Use new renamed markup method
  Fix commit search on some elasticsearch indexes
  Document the process of docs only changes
  ...