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

[D. Hugh Redelmeier]

New commits:
commit 63b2066593746472f28d13066b94238dc065c3fd
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Mon Dec 11 10:07:56 2017 -0500

    pluto (mostly): use addrtypeof() where appropriate plus a few other touches