Fixed best agent display (was missing using who).
	modified:   main.cpp
Fixed whitespacing
	modified:   tAgent.h
Added Arend's code for graph distances of brain
	modified:   tAgent.cpp
	modified:   tAgent.h
Fixed reference to brainSize should be maxNodes
	modified:   tAgent.cpp
Made a new getDistMap fn that actually works.
Based on Adjacency-Mat power min path length trick.
	modified:   tAgent.cpp
Added topology selection feature.
	modified:   main.cpp
	modified:   tAgent.cpp
	modified:   tAgent.h
	modified:   tGame.cpp