* master:
  Resolve "MR refactor: Performance costs of main element with `v-if`"
  Add documentation on private projects
  Make blob and other RPC's mandatory
  Removed return statements from prettier script
  Add missing strings to `locale/gitlab.pot`
  Update `gettext:updated_check` regenerate pot file
  Include wget in apk add command
  [Rails5] Fix 'Invalid single-table inheritance type: Group is not a subclass of Gitlab::BackgroundMigration::FixCrossProjectLabelLinks::Namespace'
  Updated color
  Update doc on new option to add README when creating a project
  Make more things mandatory
  Updated (color of indent guide in Web IDE
  Make all Gitaly diff flags mandatory