Continued Bloomery. Added Bloomery Recipe Registry.

- Added a registry for bloomery recipes.
- Added the class aits.core.regs.regBloomery that will add all bloomery
recipes   of AITS core
- Added a test recipe converting 1 stone into four clay
- started implementing bloomery working process
- Fixed some bugs
- again changed ItemID to shiftedIndex for ~ 1000 times :-(