configuration information to other peers so that they all remain in sync.
Also nixed constructor arguments to the peer manager so that it can be created
at server construct time like all other managers and be available for the
twisty maze of inter-registration that takes place during the manager init
process.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4814 542714f4-19e9-0310-aa3c-eee0fc999fb1