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.

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

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

Enable RSpec/FilePath cop

See merge request !1724

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Remove warning about protecting Service Desk email from form

Closes #2244

See merge request !1755

[EE] Add cop to blacklist specific tables for `add_column_with_default`

See merge request !1759

We're going to add another cop that deals with another aspect of
`add_column_with_default`, so we need to separate them.