D12235: Add XDG Output Protocol

[Roman Gilg]

romangg accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R127 KWayland

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D12235

To: davidedmundson, romangg
Cc: kde-frameworks-devel, michaelh, ngraham, bruns