turned on error for NAN - getting NANs
turned on error for NAN - getting NANs

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@9098 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: de62be8186d90bacaeebb6b1be4972b6762bf17d
dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV