Update map, slow down plant growth
Turn env into 1D list
Give tiles environment ring lists
High lvl lAnimals cannot pass high lvl veggie, low lvl lAn can chomp on high lvl veggie
change all old get_env calls
dirty path finding fix
lAnimals now have different fov
off limit tiles now have -1 as blocks_step
Merge branch 'vegetation'

Conflicts:
	lib/Entities.py
	lib/MapManager.py
Merge branch 'master' into mouse_integration
Merge branch 'master' into mouse_integration

Conflicts:
	lib/Entities.py
	lib/Tile.py
added missing merge conflict resolution