Add hash.h and filesystem.h to list of headers put in dist -- useful!
Add hash.h and filesystem.h to list of headers put in dist -- useful!


git-svn-id: c3edda122e248ef33995da003806c930f62b9468@654 31904243-a364-42ac-a3db-9305396518ba

jeremyselan/oiio,lgritz/oiio,cwilling/oiio,mcanthony/oiio,OpenImageIO/oiio,scott-wilson/oiio,cwilling/oiio,jeremyselan/oiio,bdeluca/oiio,sambler/oiio,cwilling/oiio,lgritz/oiio,mcanthony/oiio,cwilling/oiio,micler/oiio,scott-wilson/oiio,sambler/oiio,micler/oiio,OpenImageIO/oiio,lgritz/oiio,YangYangTL/oiio,YangYangTL/oiio,bdeluca/oiio,bdeluca/oiio,YangYangTL/oiio,YangYangTL/oiio,scott-wilson/oiio,mcanthony/oiio,micler/oiio,micler/oiio,bdeluca/oiio,mcanthony/oiio,scott-wilson/oiio,jeremyselan/oiio,sambler/oiio,sambler/oiio,OpenImageIO/oiio,OpenImageIO/oiio,lgritz/oiio