fortran: don't complain about script args if we're not building fortran

refs #4917
Remove outdated OPAL parameter "opal_pmi_version". Now PMI selection is handled by PMIx MCA.
Update git/hg ignore files
fortran: set CLEANFILES properly

CLEANFILES was previously set; we need to use += to add to it.

refs #4917
Per input from Artem, update the copyrights on these files, ensuring to include all the licensing info for the files broght over from the mpiperf project.
hwloc: Remove some generated files.
.gitignore: Add some hwloc-generated files
Merge in results from upstream ompi-svn-mirror (to fix the
compiling-without-a-fortran-compiler issue).
coll netloc: new (dummy) coll component

Ready to be filled up a bcast method with netloc goodness.