spectral_anomaly: Added create_color_scale_png.py, which creates the image for the oil-drop icon in the upper right of the map pane.
spectral_anomaly: Added create_color_scale_png.py, which creates the image for the oil-drop icon in the upper right of the map pane.

ceos-seo/data_cube_ui,ceos-seo/data_cube_ui,ceos-seo/data_cube_ui,ceos-seo/data_cube_ui,ceos-seo/data_cube_ui