Updated Traditional Chinese translation(Hong Kong and Taiwan)
[l10n] Updated Italian translation.
Updated Russian translation
Updated French translation
Updated Portuguese translation
Updated Serbian translation
Add a check NULL of the source accessible handling an event

https://bugzilla.gnome.org/show_bug.cgi?id=726243
Update documentation to reflect the current version of libatspi
Revert "Update documentation to reflect the current version of libatspi"

Reverting per other comments in the bug.

This reverts commit 02f7331df4f1dd3e22cf304bf4a3838a55e0908d.
Update documentation to reflect the current version of libatspi
Release v2.11.92
Updated Danish translation
2.12.0