Updated for OpenCL.
Updated for OpenCL.

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@3196 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: 05f30838638056bbb1a0e15562dcb6d2ffcd555c
dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV