reapply the important part of Maurice's commit dd82d4f (check needed)
reapply the important part of Maurice's commit dd82d4f (check needed)

radarsat1/siconos,radarsat1/siconos,bremond/siconos,bremond/siconos,bremond/siconos,siconos/siconos-deb,fperignon/siconos,fperignon/siconos,fperignon/siconos,siconos/siconos,siconos/siconos,radarsat1/siconos,radarsat1/siconos,radarsat1/siconos,siconos/siconos,siconos/siconos-deb,fperignon/siconos,fperignon/siconos,siconos/siconos,siconos/siconos-deb,bremond/siconos,siconos/siconos-deb,siconos/siconos-deb,bremond/siconos,siconos/siconos-deb