Put back (uncommented) destructor (there is a desctructor defined in the class).
Put back (uncommented) destructor (there is a desctructor defined in the class).

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@1434 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: 8052adfe52be92d9113c1b4dd5a3c1b9e7a99fbf
dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV