Undid changes to ColorImage from 10111. Corrected how mask, scale, offset, output_fns are applied. (Also changed from RGB values on [0,255] to [0,1]; I'd misread the colorsys module documentation.)
Undid changes to ColorImage from 10111. Corrected how mask, scale, offset, output_fns are applied. (Also changed from RGB values on [0,255] to [0,1]; I'd misread the colorsys module documentation.)

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