added first version of grass
added first version of grass
Merge branch 'vegetation' of github.com:m4xm/EvolutronicLife into vegetation

Conflicts:
	EntityManager.py
added jungle
configured map to test vegetation
added bush
implementation of evolution for plants
some minor performance improvements
added vegetation evolution improvement
removed debug output
improved get_env() method
Merge branch 'master' into vegetation

Conflicts:
	EvolutronicLife.py
	lib/Entities.py
	lib/MapManager.py
	maps.py
fixed remaining merge conflicts
added global toggler to water entity