DIORITE

[tornadocoin]

please add diorite support

[Zarius]

Should be supported but may need a little addition coding as it's a new datavalue of stone which did not previously have datavalues.

Pasting DV's here for my reference:

0 Stone 1 Granite 2 Polished Granite 3 Diorite 4 Polished Diorite 5 Andesite 6 Polished Andesite