add option in COLLADA loading to specify client up axis (so that if client=Z and COLLADA =Z, upAxisTransform is identity, while if client=Y and COLLADA=Y, upAxisTransform is identity etc)
add option in COLLADA loading to specify client up axis (so that if client=Z and COLLADA =Z, upAxisTransform is identity, while if client=Y and COLLADA=Y, upAxisTransform is identity etc)