Remove the *_13 config files for better dungeons
Update better dungeons config files to spawn in Overworld (Dim 0) and the Dungeon Age (Dim 13).

See http://www.minecraftforum.net/topic/746330-164chocolate-quest-mods-for-the-adventurers/page__st__4880, which shows that the dimensionID can be specified as a comma-separated list of dimensions.