CE upstream

	both modified:   app/controllers/projects/merge_requests_controller.rb
	both modified:   app/views/shared/issuable/_search_bar.html.haml
	both modified:   lib/api/services.rb

Merged changes https://gitlab.com/gitlab-org/gitlab-ce/compare/82f6c0f5ac4ed29390ed90592d2c431f3494d93f...7733f285aca97d444382a59eda0ea3e303539c26