Added imagedir to makedictionary.m instead of reading images from current directory
Added imagedir to makedictionary.m instead of reading images from current directory

git-svn-id: http://svn.code.sf.net/p/petavision/code/sandbox@5675 7c0444ca-5550-0410-9008-faecdbe78eb5

Former-commit-id: 1dd82d87a67f71df29572a0179d483a56a4cdd67
dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV,PetaVision/OpenPV,PetaVision/OpenPV,dpaiton/OpenPV