Builds up through CET.
Merge branch 'master' of github.com:brettviren/worch
Builds art.
Fix expected target for UPS install
Don't coerce to integer the return code.  No idea why the fnal/pythia build is getting an RC of 1.
Start a bit of documentation for building art the fermilab way.
Remove duplicate mention of pythia in package list.
Merge branch 'master' of github.com:brettviren/worch

Conflicts:
	examples/fnal/suite-art.cfg
Fixed the double-listed pythia, remove mention of this problem.
Manually run the data installtion script until it's fixed.

This is not yet tested
Merge branch 'master' of github.com:brettviren/worch
Pared down features to just download or just run a command.
Fix manual install of geant4 data.

This one has a good chance of a fully clean build.
Allow for an empty command target.

This cleanly builds all art + nu externals.