D26858: Provide an implementation for the tablet interface

[Aleix Pol Gonzalez]

apol added a dependent revision: D26859: Implement the tablet wayland protocol 
in kwin.

REPOSITORY
  R127 KWayland

REVISION DETAIL
  https://phabricator.kde.org/D26858

To: apol, #kwin, #frameworks
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns