[kernel] add EqualityConstraints for FirstOrder
[kernel] add EqualityConstraints for FirstOrder

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