message: Add transform between world and geometry
  The SG used to add an extra transform off the world.
diff: @@ -48,7 +48,8 @@ cam.createChild("position", "vec3f", pos)
  cam.createChild("direction", "vec3f", dir)
  cam.createChild("up", "vec3f", up)
  -geom = world.createChild("mesh", "geometry_triangles")
  +transform = world.createChild("xfm", "transform")
  +geom = transform.createChild("mesh", "geometry_triangles")
  geom.createChildData("vertex.position", Data(vertex))
  geom.createChildData("vertex.color", Data(color))
  geom.createChildData("index", Data(index))
  @@ -59,6 +60,8 @@ lightsMan.updateWorld(world)
  world.render()
  +# First frame will be "navigation" resolution.
  +# Render again for full sized frame.
  frame.startNewFrame(bool(0))
  frame.startNewFrame(bool(0))
  frame.waitOnFrame()
  