What's new in at-spi2-core 2.31.2:

* Add ScrollSubstringTo and ScrollSubstringToPoint text interfaces.

What's new in at-spi2-core 2.31.1:

* Bus launcher: fix an issue where the error wasn't cleared on failure.

* Add support for locking/unlocking modifiers.

* Update error log text for consistency.

* Documentation clean-ups.