[cmake] kernel requires linking to BLAS and LAPACK
[cmake] kernel requires linking to BLAS and LAPACK

Fixes #238.

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