* ee/master:
  Add project export API
  Lock gRPC gem to 1.8
  Add spec
  Fix http_io to make it return path is nil
  Add find-sec-bugs in the list of tools for java SAST. Refs #4123
  Changes after review
  Fix broken empty tab state
  Manage empty states in Pipelines page Adds i18n Adds test
  Merge from CE

https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16973

Add project export API

See merge request gitlab-org/gitlab-ee!4851

Lock gRPC gem to 1.8

Closes gitaly#1059

See merge request gitlab-org/gitlab-ee!4828

Add find-sec-bugs in the list of tools for java SAST

See merge request gitlab-org/gitlab-ee!4845

Update Kubernetes CPU/Memory Prometheus queries

See merge request gitlab-org/gitlab-ee!4771

Fix http_io to make it return path is nil

Closes #5119

See merge request gitlab-org/gitlab-ee!4833

Port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/15860

Given 1.9 has issues we're aware of, for now we're locking to 1.8.
Closes gitlab-org/gitaly#1059 and will probably be removed if 1.10 is
tested an deemed ok.

Port of 38587-pipelines-empty-state to EE

See merge request gitlab-org/gitlab-ee!4829

From
(EE) https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/4642
(CE backport)
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/17342

# Conflicts:
#	app/models/group.rb
#	app/services/merge_requests/update_service.rb
#	app/views/projects/_home_panel.html.haml
#	app/views/projects/new.html.haml
#	app/views/shared/_import_form.html.haml
#	changelogs/unreleased/wip-new-mr-cmd.yml
#	db/schema.rb
#	doc/api/projects.md
#	doc/user/project/import/repo_by_url.md
#	lib/api/entities.rb
#	locale/gitlab.pot
#	spec/models/group_spec.rb

[ci skip]

Create CI/CD-only projects by URL -- CE backport

See merge request gitlab-org/gitlab-ce!17342

Create CI/CD-only projects by URL FE

Closes #3839

See merge request gitlab-org/gitlab-ee!4642

Don't error out in system hook if user has `nil` datetime columns

Closes #43871

See merge request gitlab-org/gitlab-ce!17543

Removed geo_nodes webpack bundle

See merge request gitlab-org/gitlab-ee!4840

Make oauth provider login generic

See merge request gitlab-org/gitlab-ce!8809

Release libgit2 cache and open file descriptors after `git gc` run

See merge request gitlab-org/gitlab-ce!17506

Deleting a user would fail in the system hooks if the user had
`nil` column in `datetime` or `updated_at` fields.

Closes #43871

Use host URL to build JIRA remote link icon

Closes #31081

See merge request gitlab-org/gitlab-ce!17541