What's new in at-spi2-core 2.7.2:

* Only call an event listener once per event, even if the listener registered
  for both the event and a superset of the event.

* Don't distribute dbind-config.h (BGO#688083).

* Fix gtk-doc for Atspi-Registry (BGO#688224).

* Some introspection fixes to make vapigen happy (BGO#688223).

* [registry] Fixed a crash handling DeregisterKeystrokeListener.