Yummy Dirt

The texture for dirt (and related blocks) has almost never been changed, even after 1.14 ("The Texture Update"). So I decided to change all of the textures to be less noisy(?) and, some may say, tastier.

• Changed dirt, coarse dirt, rooted dirt, grass, podzol, mycelium, snowy grass, and hanging roots
• Every one has at least 2 texture variations and multiple rotation variations

(don't eat dirt)