Resurrected vineyard code: * Switched StaticPersistence + (serializable) Filtration to Boost.MultiIndex * Updated DynamicPersistenceTrails to work with the new MultiIndex way * Created LSVineyard class, and fixed the grid examples

#include "birthid.h"
#include "optional.h"

namespace dp = dionysus::python;

void export_birthid()
{
    python_optional<dp::BirthID>();   
}