Merge old cvsclean target into distclean.
Clean up.
Abort roll build if package build fails.
Bug fix: correct roll name.
Clean up build; remove bind mounts.
Minor consistency change.
Avoid find warning message.
Fix up cached copy for use in building R modules.
Add boilerplate test language.
Significant cleanup of R module build process.  Rely on R to download module
source instead of keeping copy in forge.  Move most of build environment setup
out of separate script and into Makefile--script is now a short R program
passed to Rscript.
Bug fix: change name to match graph entry.
Add package home environment vars.
Flesh out skeletal test to check s/w packages.
Renamed to match graph entry.
Merge branch 'master' of https://forge.sdsc.edu/stash/scm/aps/geo-roll