Changes in version 2.15.3:
==========================
*
* AtkState:
   * Bug 665598: Add ATK_STATE_READ_ONLY
* Bugfixing:
   * Unref STATE_TYPE class ref after using it at state_type_get_name
   * AtkTable: Added missing ":" on one gi annotation

Contributors:
Joanmarie Diggs, Alejandro Piñeiro Iglesias

Translations:
Muhammet Kara (tr)