Added initial seed to cl_random_init() parameter so that different layers can have a different random number sequence.
Added initial seed to cl_random_init() parameter so that different layers can have a different random number sequence.

git-svn-id: 602a26e73ae9f2a14e2bb95676f2e137fcc39919@3703 7c0444ca-5550-0410-9008-faecdbe78eb5

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