Update nubis-stacks references to the new s3://nubis-stacks/ location
Update nubis-stacks references to the new s3://nubis-stacks/ location

With nubisproject/nubis-stacks#118

gozer/nubis-dpaste,Nubisproject/nubis-dpaste,Nubisproject/nubis-dpaste,limed/nubis-dpaste,gozer/nubis-dpaste,limed/nubis-dpaste,tinnightcap/nubis-dpaste,tinnightcap/nubis-dpaste,gozer/nubis-dpaste