[mechanics proposed] fix default margins (insideMargin=min(dim)*0.1, outsideMargin=0)
[mechanics proposed] fix default margins (insideMargin=min(dim)*0.1, outsideMargin=0)

fperignon/siconos,fperignon/siconos,siconos/siconos,siconos/siconos,bremond/siconos,fperignon/siconos,bremond/siconos,radarsat1/siconos,bremond/siconos,radarsat1/siconos,radarsat1/siconos,radarsat1/siconos,bremond/siconos,siconos/siconos,radarsat1/siconos,siconos/siconos,fperignon/siconos,fperignon/siconos,bremond/siconos