Succubus updates

This update consist of various bugfixes, a couple of optimizations and the addition of bloodsteel to the race's choices of metals
* The den of iniquity and the altar of nightmare now use diplomacy
* Added the alchemist cauldron, allowing to make ironbone and bloodsteel
* Removed the custom magma well, using the warlock instead
* Added the water well
* Added the missing metallurgist reactions
* Changed the various profession names
* Raised the body size to human levels
* Permitted reactions like pearlash making, milling and more
* Attempted to fix the immolating caravans, please report if it happens again
* Added skills indications to the various workshops