Tang is not a liquid

[jeremyshannon]

Tang cannot be moved to a different container, because it's not registered as a liquid with the liquid_store mod. It might be good if we add a no_dump flag or something that prevents it from being poured on the ground, since there's no good reason to do that as it stands. Unrelated, but it can also only be made in clay pots.

[Ceeee]

The unrelated addition might want to stand – Clay/earthenware vessels have certain attributes that foster safe fermentation that other materials, particularly wooden bowls do lack. (Think temperature, sterile surface, etc.) My vote for keeping the clay privilege while of course addressing the rest of the issue to make a change of containers possible!