set up for longer frame presentation
set up for longer frame presentation

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@6865 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: e228466df68f45d714c065e562478ca8f5a3db20
dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV