Produced tarballs are to copied to a versioned s3 bucket, which will serve as the canonical repository.
add tarball production to weekly tag/release jenkins' job
update lsstsw/newinstall EUPS version
setup new EUPS_PKGROOT(s) for OSX/linux tarballs
update lsstsw/newinstall to EUPS 2.1.2
add "newinstall.sh" canary build to weekly-release