Log Message:
Update to 2.8.13:

Overview of Changes from GTK+ 2.8.12 to GTK+ 2.8.13
===================================================

* Bugs fixed:
 330732 Can't select some items in GtkIconView [Donald Straney]
 330944 gtk_icon_theme_list_icons: example contexts don't work
        [John Spray]
 331097 gnopernicus crashes on changing display screen source
        for magnifier [Oana Serb]
 331467 evince crashes in gdk_region_union_with_rect [Benjamin Berg]
 331820 Small error in _gdk_gc_update_context [Matthias]
 331785 gtk.Notebook.get_current_page() returns incorrect page
        number when pages hidden [Sebastien Bacher]
 331940 GtkAboutDialog not responsive to Escape key [Daniel Drake]
 331440 GtkNotebook popup menu not keynavigatable [Paolo Borelli]
 331651 GtkRadioButton does not issue notify::active
 332059 Make more use of G_DISABLE_ASSERT in TextView code
        [Arnaud Charlet]

* Updated translations (eu,ka,uk)