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

[D. Hugh Redelmeier]

New commits:
commit 3d9fac66c0a21ecf5443e1ca872e8ea9a0e8125b
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Tue Mar 25 00:04:02 2014 -0400

    scratch surface of extension type handling

commit d29e3ffbd02aff4e3c07f2bf9aed9ed62e879636
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Mon Mar 24 22:59:49 2014 -0400

    PF_Key: clarify comment on limit on extension types