changed the LIF constructor which takes as arguments num_channels to only init_base of the HyPerLayer which does not create a functional class but requires a init by the derived class
changed the LIF constructor which takes as arguments num_channels to
only init_base of the HyPerLayer which does not create a functional
class but requires a init by the derived class

git-svn-id: 602a26e73ae9f2a14e2bb95676f2e137fcc39919@3905 7c0444ca-5550-0410-9008-faecdbe78eb5

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