DOC: add comment about actual limitation of otbQuickLook app with jpeg2000 images
DOC: add comment about actual limitation of otbQuickLook app with jpeg2000 images

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB