Update for most recent spec: add parent and remove sub-struct
Update for most recent spec: add parent and remove sub-struct

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