minor tweak to improve flexibility of corner chainlink fence texturing
Similar tweak for corner privacy fence textures
swap backside/backside2 added in previous commit
fixed broken gate recipes and a couple of swapped gate aliases.
fix broken brass ingot recipe, revise wood and glass
small round -> small square -> large square table recipes.
Rewrote 3dforniture lamp code and fixed the light level ordering bug
Convert glowlights/glowcubes to 6d facedir
removed redundant glowlight recipes, fixed thin->quarter, thick->half
naming issue caused by previous commit.