Update NEWS with one last minute change and really release PyGTK-2.15.2
Update NEWS with one last minute change and really release PyGTK-2.15.2

Distrotech/pygtk,GNOME/pygtk,Distrotech/pygtk,GNOME/pygtk,nzjrs/pygtk,amremam2004/pygtk,nzjrs/pygtk,nzjrs/pygtk,amremam2004/pygtk,GNOME/pygtk,Distrotech/pygtk,amremam2004/pygtk