udpates readme
udpates readme

varmas/bostongreenmap,codeforboston/bostongreenmap,codeforboston/bostongreenmap,varmas/bostongreenmap,codeforboston/bostongreenmap,codeforboston/bostongreenmap,codeforboston/bostongreenmap,varmas/bostongreenmap,varmas/bostongreenmap,varmas/bostongreenmap