method invocation services and converted everything to the new style. Could this be my biggest checkin ever? git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1642 542714f4-19e9-0310-aa3c-eee0fc999fb1
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1638 542714f4-19e9-0310-aa3c-eee0fc999fb1
invocation service interface definition. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1633 542714f4-19e9-0310-aa3c-eee0fc999fb1