Change accessibility key name
Change accessibility key name

As was done in gsettings-desktop-schemas. See:
http://git.gnome.org/browse/gsettings-desktop-schemas/commit/?id=8768a4636d9175c53d680c05a331845be59a2504

Distrotech/at-spi2-atk,Distrotech/at-spi2-atk,GNOME/at-spi2-core,GNOME/at-spi2-core,GNOME/at-spi2-core,GNOME/at-spi2-atk