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 <topology/chain.h>
#include "static-persistence.h"
namespace dionysus {
namespace python {
typedef SPersistence::Chain VChain;
} } // namespace dionysus::python