Expanded the warning when an InitWeights object was not set.  Also removed a redundant read of normalize parameter that caused unnecessary warnings.
Expanded the warning when an InitWeights object was not set.  Also removed a redundant read of normalize parameter that caused unnecessary warnings.

git-svn-id: 602a26e73ae9f2a14e2bb95676f2e137fcc39919@4057 7c0444ca-5550-0410-9008-faecdbe78eb5

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