Integrate kwaylandserver
This makes KWin switch to in-tree copy of KWaylandServer codebase. KWaylandServer namespace has been left as is. It will be addressed later by renaming classes in order to fit in the KWin namespace.
This makes KWin switch to in-tree copy of KWaylandServer codebase. KWaylandServer namespace has been left as is. It will be addressed later by renaming classes in order to fit in the KWin namespace.