[gtk] (4 commits) Non-fast-forward update to branch a11y/atspi

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'a11y/atspi' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  8906321... a11y: Register the accessible root object
  be77df5... a11y: Ignore widgets during destruction
  25f26ef... a11y: Add AT-SPI cache object
  d02fbce... a11y: Return the ATSPI role for the root element

Commits added to the branch:

  7e21e82... a11y: Register the accessible root object
  027f739... a11y: Ignore widgets during destruction
  8471c67... a11y: Add AT-SPI cache object
  89ccccf... a11y: Return the ATSPI role for the root element