added confusion matrix
added confusion matrix

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@9754 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: a6297cf3d132e537ef0b9353a16187e50e4426e0
dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV