use md5 files w/ extension instead of buggy base64
use md5 files w/ extension instead of buggy base64

luster/oldnyc,luster/oldnyc,luster/oldnyc,danvk/oldnyc,nypl-spacetime/oldnyc,danvk/oldnyc,danvk/oldnyc,nypl-spacetime/oldnyc,nypl-spacetime/oldnyc,luster/oldnyc,danvk/oldnyc,nypl-spacetime/oldnyc,luster/oldnyc,nypl-spacetime/oldnyc