[Texturing] Add option to choose the internal colorspace used for color fusion #651
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Description
Add an option to choose the internal colorspace used in texturing for color fusion: sRGB (default), LAB or XYZ. This has no impact on the colorspace used in the output texture files.
Features list
Implementation remarks
Reorganization of image processing classes. Thus, the imageIO class handle only the reading and writing part, and the new class imageAlgo handle the image processing part. Both are based on OpenImageIO for efficiency.