state: add ATK_STATE_CHECKABLE and ATK_STATE_HAS_POPUP
state: add ATK_STATE_CHECKABLE and ATK_STATE_HAS_POPUP

https://bugzilla.gnome.org/show_bug.cgi?id=712576
https://bugzilla.gnome.org/show_bug.cgi?id=712581

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