Change Scattered center item to stamp_image_pos and stamp_sky_pos
(#380)
More updates to make the rest of config consistent with new positions.
(#380)
Update demo9,11 to use new pos values.
(#380)
Got all the demo scripts working with the new positions
(#380)
Change to simple image_pos and sky_pos for brevity
(#380)
Sync up json scripts with the yaml scripts.
(#380)