[Swan-commit] Changes to ref refs/heads/master

[D. Hugh Redelmeier]

New commits:
commit 7086a92e4e3df700971279521ee68c2805d068c0
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Fri Sep 28 13:39:38 2018 -0400

    pluto: foodgroups.h: delete unused and undefined "policygroups_dir"