Grinder

- Grindstones can now be recycled at a 1-to-1 ratio. i.e., an iron grindstone will produce 6 iron dust, a granite grindstone will produce 6 granite.

- New vanilla grindstone: obsidian

- New modded grindstones for every type of dust: silver, copper, tin, nickel, lead, aluminum, uranium, zinc, platinum, mercury, bismuth and neptunium.

- Default recipes for:

- Variable output depending on grindstone: redstone ore -> redstone, lapis lazuli ore -> lapis lazuli, coal ore -> coal, diamond ore -> diamond, emerald ore -> emerald, quartz ore -> quartz (with a base of 2 quarts by default), bones -> bone meal (base of 2 by default), sugar cane -> sugar (base of 2 by default), sandstone -> sand (base of 4 by default), stone -> gravel, gravel -> flint.

- Static output with no impact from grindstone result modifier: glowstone block -> glowstone dust x 4, each ingot into each dust.

- Dusts are now properly included in the relevant forge tags.