grass is gray

Makes all grass-releated items gray. stuff modified Grass png: no green grass.zip\assets\minecraft\textures\colormap\grass.png foliage.png: no green grass.zip\assets\minecraft\textures\colormap\foilage.png dry-foliage.png: no green grass.zip\assets\minecraft\textures\colormap\dry-foilage.png

Inspired of @mistycat On youtube