Added Rank-Based Ant System algorithm.  Rewrote how environment behaviours limit which ants update pheromone.
Real world test data now prints names instead of IDs.
Merge branch 'environmentcontrol'

Conflicts:
	Ant.cpp
	Ant.h
	AntSim.cpp
	Map.cpp
	Map.h
	antsim.cbp
	antsim.depend
	behaviours/environment/EnvironmentAntSystem.cpp
	behaviours/environment/EnvironmentMaxMinAS.cpp