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

[D. Hugh Redelmeier]

New commits:
commit 5adfc4aeb833ab5de835392efbefd39caffbcb72
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Wed Sep 18 14:57:28 2013 -0400

    Tidy xauth code
    - better exploit the packet parsing machinery
    - simplify control flow
    - fix a few bugs: missing break, looping over wrong datastructure, bad set operations
    There are still some mysteries!