scene repository. Also added example config for the static connection
provider that's used by default.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@359 542714f4-19e9-0310-aa3c-eee0fc999fb1
work now. Scene activation is implemented. Some tests are written.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@242 542714f4-19e9-0310-aa3c-eee0fc999fb1