* gdk/x11/gdkevents-x11.c:
* gdk/x11/gdkscreen-x11.[hc]: Another attempt at getting Xrandr
screen size changes right. Actually handle XRRScreenChangeNotify
events, and ignore root ConfigureNotify events if we are using
Xrandr. Only emit size-changed signals if the screen size changed,
and only emit monitor-changed signals if the monitors changed.
svn path=/trunk/; revision=22398