Dev Build 0.2.1 Beta

+ Added Wooden Bolt & recipe
+ Wooden Bolt required for bolts of cloth
Grind Stones

Removed all previous grindstones, added Copper, Silver, Gold, Platinum,
and Diamond. All same image at this point.
Merge pull request #3 from theflyinganonymoose/development-build

Recipe Fix's and Grinding Stones