ENH: Added missing otb::ObjectList::operator += () and ::operator -= ().
ENH: Added missing otb::ObjectList::operator += () and ::operator -= ().

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