BUG: when removing the last dataset, cachedir is removed too due to QDir::rmpath
BUG: when removing the last dataset, cachedir is removed too due to QDir::rmpath

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