perlin values to be the same as used in the game's mapgen for spawning dry
shrubs and jungle grass, so that jungle grass mod will replenish the game's
biomes.
texture files to their respective components' folders (<f>/textures). Also,
began working on extending the API for the growing code to allow for checking
for the height of a node. Poisonivy is the only component that uses it for
now; this is more intended to be used with nature pack eventually.
