iconvert: add --inplace, plus options to adjust orientation and color space.
iconvert: add --inplace, plus options to adjust orientation and color space.


git-svn-id: c3edda122e248ef33995da003806c930f62b9468@491 31904243-a364-42ac-a3db-9305396518ba

bdeluca/oiio,YangYangTL/oiio,scott-wilson/oiio,lgritz/oiio,cwilling/oiio,mcanthony/oiio,OpenImageIO/oiio,lgritz/oiio,mcanthony/oiio,OpenImageIO/oiio,scott-wilson/oiio,sambler/oiio,OpenImageIO/oiio,mcanthony/oiio,bdeluca/oiio,jeremyselan/oiio,YangYangTL/oiio,sambler/oiio,lgritz/oiio,cwilling/oiio,mcanthony/oiio,bdeluca/oiio,scott-wilson/oiio,micler/oiio,scott-wilson/oiio,bdeluca/oiio,micler/oiio,OpenImageIO/oiio,micler/oiio,sambler/oiio,YangYangTL/oiio,cwilling/oiio,cwilling/oiio,micler/oiio,jeremyselan/oiio,sambler/oiio,lgritz/oiio,YangYangTL/oiio,jeremyselan/oiio