Added license to a number of files

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

src/servers/app/server/Layer.cpp

@@ -463,6 +463,11 @@ void Layer::RequestDraw(const BRect &r)
 */
 }
 
+void Layer::RequestDraw(void)
+{
+	RequestDraw(Bounds());
+}
+
 /*!
 	\brief Determines whether the layer needs to be redrawn
 	\return True if the layer needs to be redrawn, false if not