[mechanics] add python wrap of CircularDS and CircularR ro avoid incomplete class
[mechanics] add python wrap of CircularDS and CircularR ro avoid incomplete class

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