[ticket/13368] Add $forum_data to viewforum_get_topic_ids_data event

PHPBB3-13368
[ticket/13368] Add @changed entry

PHPBB3-13368
[ticket/13368] Update version

PHPBB3-13368
Merge pull request #3175 from Senky/ticket/13368

[ticket/13368] Add $forum_data to viewforum_get_topic_ids_data event
Merge branch 'develop-ascraeus' into develop