More work on Desktop and DesktopClasses
minor API tweak to DisplayDriver
Added conditional compilation stuff to AppServer.cpp for debugging purposes
TokenHandler now uses BLockers instead of semaphores for locking
Can now run the server and see something
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2717 a95241bf-73f2-0310-859d-f6bbb57e9c96