Merge branch 'ci-services-migrate' into 'master'

CHANGELOG

app/controllers/projects/ci_services_controller.rb

app/controllers/projects/ci_web_hooks_controller.rb

app/controllers/projects/hooks_controller.rb

app/controllers/projects/services_controller.rb

app/mailers/ci/emails/builds.rb

app/mailers/ci/notify.rb

app/mailers/emails/builds.rb

app/mailers/notify.rb

app/models/ci/build.rb

app/models/ci/commit.rb

app/models/ci/project.rb

app/models/ci/service.rb

app/models/ci/web_hook.rb

app/models/hooks/project_hook.rb

app/models/hooks/web_hook.rb

app/models/project.rb

app/models/project_services/builds_email_service.rb

app/models/project_services/ci/hip_chat_message.rb

app/models/project_services/ci/hip_chat_service.rb