* master: (312 commits)
  Fix bad selection on dropdown menu for tags filter
  Fixed issue boards scrolling with a lot of lists & issues
  You can only assign default_branch when editing a project ...
  Don't convert data which already is the target type
  Stop supporting Google and Azure as backup strategies
  renames some of the specs and adds changelog entry
  Fixed dragging issue moving wrong issue after multiple drags of issue
  Fixed issue boards issue sorting when dragging issue into list
  Rephrase some system notes to be compatible with new system note style
  Add missing JIRA file that redirects to the new location
  Fix documentation to create the `pg_trm` extension before creating the DB
  Document that we always use `do...end` for `before` in RSpec
  Backport Note#commands_changes from EE
  Log mv_namespace parameters
  Add default_branch attr to Project API payload in docs.
  Fix title case to sentence case
  properly escape username validation error message flash
  Remove header ids from University docs
  Add missing documentation.
  Added test that checks the correct select box is there for the LFS ...
  ...

Conflicts:
	app/services/system_note_service.rb
	spec/features/merge_requests/merge_when_pipeline_succeeds_spec.rb
	spec/services/merge_requests/merge_when_pipeline_succeeds_service_spec.rb
	spec/services/system_note_service_spec.rb