Create setup_image.py

Figured out the process of getting at the non-blender specific command-line arguments. The future is bright.

Need to figure out the source of the following output

PyContext 'window' not found
PyContext 'window' not found
PyContext 'edit_image' not found
PyContext 'region' not found
PyContext 'blend_data' not found
PyContext 'region' not found
PyContext 'screen' not found
PyContext 'screen' not found