[numerics/python] deal with NumericsMatrix as arg
[numerics/python] deal with NumericsMatrix as arg

this commit fixes the fact that the typemap(in) for a NumericsMatrix
assumes that the argument is an array (numpy or python). This is wrong
since it could be a NumericsMatrix (for instance I want to call NM_csc
on a NumericsMatrix to get back a scipy.sparse.csr)

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