peer disconnects for any reason, end its session immediately.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5546 542714f4-19e9-0310-aa3c-eee0fc999fb1
Don't wait up to 60 seconds for the next peer refresh interval.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5514 542714f4-19e9-0310-aa3c-eee0fc999fb1