Added colormaps.py file with magma, inferno, plasma, and viridis colormaps developed by N. J. Smith, S. van der Walt, and E. Firing (CC0 license).
Added colormaps.py file with magma, inferno, plasma, and viridis
colormaps developed by N. J. Smith, S. van der Walt, and E. Firing
(CC0 license).

pcubillos/MCcubed,pcubillos/MCcubed,pcubillos/MCcubed