Update params for BasicSystemTest.  writeCompressedWeights is not needed since writeStep is -1; writeCompressedWeights is needed since suppressLastOutput is false.
Update params for BasicSystemTest.  writeCompressedWeights is not needed since writeStep is -1; writeCompressedWeights is needed since suppressLastOutput is false.

git-svn-id: 173bfced7225b0a4144fa0e9d72f2fb8f54e5b79@6814 7c0444ca-5550-0410-9008-faecdbe78eb5

PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV