Import globals as G in crafting.py.
Automatically lowers blocks with height < 1.
Updated carrot and potato height
Implements "grid" block like fields of potatoes, carrots, etc.
crossed-plants update
Merge branch 'master' of https://github.com/boskee/Minecraft
Allows walking on non-cube blocks (flowers, potatoes, etc).
Merge https://github.com/boskee/Minecraft
fixed rose, reeds