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 <utilities/log.h>
#ifdef LOGGING
static rlog::RLogChannel* rlFiltration = DEF_CHANNEL("topology/filtration/info", rlog::Log_Debug);
static rlog::RLogChannel* rlFiltrationDebug = DEF_CHANNEL("topology/filtration/debug", rlog::Log_Debug);
#endif // LOGGING