Use xargs + RScript to run extras.d files
Use xargs + RScript to run extras.d files

Can't quite figure out why run-parts doesn't run more than
one file

ryanlovett/datahub,berkeley-dsep-infra/datahub,ryanlovett/datahub,berkeley-dsep-infra/datahub,berkeley-dsep-infra/datahub,ryanlovett/datahub