remove virtual inheritance in the Feature class to gain space
remove virtual inheritance in the Feature class to gain space

poparteu/openMVG,openMVG/openMVG,poparteu/openMVG,openMVG/openMVG,poparteu/openMVG,openMVG/openMVG,openMVG/openMVG,openMVG/openMVG,poparteu/openMVG