- first try at a multithreaded version, not working yet
reworked parallel simulation, now the same threads are reused from a pool
Merge branch 'master' into parallel
added a way to simulate n ticks
gave simulation threads their own rngs
extended Simulator::NewSimulation to allow construction a simulation from given terrain, species, creatures and rng, which is used in the loading code
some more stuff fixed
Merge branch 'master' into parallel

Conflicts:
	src/simulator/world/Creature.cpp