We really do need to include gdkfb.h in order to get the GDK_PARENT_ROOT()

We really do need to include gdkfb.h in order to get the GDK_PARENT_ROOT()

* gtk/gtkcolorsel.c: We really do need to include gdkfb.h in order to get the GDK_PARENT_ROOT()
macro to work.
* gtk/gtkmarshal.list: Add NONE:STRING,POINTER
* gdk/gdkwindow.c: Don't send expose events, or invalidate pieces of, windows that aren't shown.
* gdk/linux-fb: Redraw-when-menu-hidden solved, plus a bunch of pointer grab stuff.