Document how to use external tracking database

Closes #4884

See merge request gitlab-org/gitlab-ee!4772

Remove protected branches webpack bundle tag (EE)

See merge request gitlab-org/gitlab-ee!4734

Remove roadmap webpack bundle entry point

See merge request gitlab-org/gitlab-ee!4786

# Conflicts:
#   config/webpack.config.js

Remove registry list webpack entry point (EE)

See merge request gitlab-org/gitlab-ee!4785

Improve mount epic to explicitly not mount if element is not found

See merge request gitlab-org/gitlab-ee!4801

Remove "issues" webpack bundles

See merge request gitlab-org/gitlab-ee!4802

Remove epic show and new epic webpack bundle tag

See merge request gitlab-org/gitlab-ee!4793

# Conflicts:
#   config/webpack.config.js

CE upstream - 2018-03-01 16:38 UTC

Closes gitaly#1032 and gitlab-ce#43278

See merge request gitlab-org/gitlab-ee!4788

Port of "Remove blob viewer bundles"

See merge request gitlab-org/gitlab-ee!4775

Resolve "Extract API entities EE extensions to a separate `ee/lib/ee/api/entities.rb` file"

Closes #4812

See merge request gitlab-org/gitlab-ee!4386

[EE] Moved o_auth/saml/ldap modules under gitlab/auth

See merge request gitlab-org/gitlab-ee!4759

Resolve "`RepositoryRemoveRemoteWorker.perform_async` being called from transaction"

Closes #5049

See merge request gitlab-org/gitlab-ee!4747

De-revert filtered_search webpack changes

See merge request gitlab-org/gitlab-ee!4787

# Conflicts:
#	app/assets/javascripts/boards/filtered_search_boards.js
#	app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js
#	app/assets/javascripts/pages/projects/issues/show.js
#	app/assets/javascripts/pages/projects/merge_requests/init_merge_request_show.js
#	app/assets/javascripts/pages/search/init_filtered_search.js
#	app/finders/merge_requests_finder.rb
#	config/sidekiq_queues.yml

[ci skip]

Removing the two factor check when the user sets a new password

Closes #28141

See merge request gitlab-org/gitlab-ce!17457