set up output & run length, fixed init V
set up output & run length, fixed init V

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@7938 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: f9d29420526aeb8bb4567d3c90fe170e95974b37
dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV