The chatops solution is built on top of CI pipelines and essentially
acts as a different UI for scheduling pipelines manually. Pipelines
scheduled via chat have access to an environment variable called
"CHAT_INPUT". This variable stores the arguments that were passed to the
chatops command.

Output is retrieved by reading specific trace sections from the build
output. There are two sections supported (in this order):

1. chat_reply
2. build_script

The "chat_reply" is a trace section that one has to generate themselves,
"build_script" in turn is provided by default. The "build_script" trace
section also includes the output of any commands executed in the
"before_script" list. If one doesn't want to display this output they
should generate the custom "chat_reply" trace section.

Responses are sent back via Sidekiq using the ChatNotificationWorker
class. This ensures that existing CI related jobs won't get slowed down
if Slack (or another chat service) is not responding.

CE upstream - 2018-03-01 21:23 UTC

See merge request gitlab-org/gitlab-ee!4798

[EE] Support additional LabelsFinder parameters for group labels

See merge request gitlab-org/gitlab-ee!4780

Add some strings that were missing in gitlab.pot

See merge request gitlab-org/gitlab-ee!4799

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:
#	app/helpers/auth_helper.rb
#	lib/gitlab/auth/ldap/access.rb
#	lib/gitlab/auth/ldap/adapter.rb
#	lib/gitlab/auth/ldap/config.rb
#	lib/gitlab/auth/ldap/person.rb
#	lib/gitlab/auth/ldap/user.rb
#	lib/gitlab/auth/o_auth/auth_hash.rb
#	lib/gitlab/auth/o_auth/user.rb
#	lib/gitlab/auth/saml/config.rb
#	lib/gitlab/auth/saml/user.rb
#	spec/lib/gitlab/auth/ldap/access_spec.rb
#	spec/lib/gitlab/auth/ldap/user_spec.rb
#	spec/support/ldap_helpers.rb

[ci skip]

Small fixes in Vuex docs

See merge request gitlab-org/gitlab-ce!17471

# 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

Remove u2f webpack bundle

See merge request gitlab-org/gitlab-ce!17435

Remove blob viewer bundles

See merge request gitlab-org/gitlab-ce!17446

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

Moved o_auth/saml/ldap modules under gitlab/auth

See merge request gitlab-org/gitlab-ce!17359

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

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

Resolve "Include cycle time in usage ping"

Closes #41777

See merge request gitlab-org/gitlab-ce!16793

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

Closes #5049

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