added random movement
Merge branch 'master' of https://github.com/kurisaki/LightSquirrel

Conflicts:
	LightSquirrel/ActorRelation.pde
	LightSquirrel/Animal.pde
Tried to merge conflicts...
Cleaned up some mess
Fixed faulty speed and acceleration logic
Tidbits and added a bunch of TODOs :-)
Average speed and acceleration + other small changes
Animal avoids walls (not yet ceiling)
Simulator working as intended