Added new textures for Orks, thanks to Zombun for making them!

Everything from previous Change Notes, but the Hotfix to fix the summoning textures has been fixed.

- Caravan Wagons should be properly working for Orks, Goblins, Crobolds, Saedras, Itchlarians, and the Gindrae.
- Changed multiple creatures to include them into being trainable.
- [SPECIAL] was added to 2 of the endgame metals to avoid having cave dwellers being given access to these... sadly this means theres no *extremely rare* chance to finding them as artifacts in world gen anymore.
- Few colour fixes to some of the metals.
- New Textures for multiple civ creatures.
- Stone bin added to reactions, added in adventure mode as well.
- New animal people variants: Cat, Dog, and Horse.
- Added 2 more Creatures to the subterranean civ.
- A few minor adjustments here and there.

Note: Not all textures are finished, with some being worked on still.

Fixed the Ork/Goblin issue of not eating/uneeded needs, as well as *hopefully* added a fix to the trade caravan issue. New Textures have not been added yet, so only texture fixes this time.

Added simple textures for summoned creatures.

Typo fixes, Allowed Steel/Titanium to be made by everyone, and added Descriptions to the new workshops, and also added mining accidents to more civs.

Fixed a work location issue.

Updated to DF Steam Version!