Achievement fixes, Statuettes, and Creature Icons

Achievements

Fixed iron from applying experience to all other materials in the blacksmithing achievements.

Added completion of the Veteran Reward Achievements.

Fixed some of the covetous explore achievements as a proof of concept, dungeons will be entirely fixed in a patch to come.

Statuettes

Added support for adding more statues on the fly.

Creature Icons

Added support for adding changing monster icons (shrink table) on the fly.