Add steps NODE2TYPE and CONVERT_MPH_PERSONS
To convert the Java-specific node2type.map to node2type.bin, and mirror the graph.mph->graph.cmph step to graph.persons.mph->graph.persons.cmph
Staging instance, all changes can be removed at any time
To convert the Java-specific node2type.map to node2type.bin, and mirror the graph.mph->graph.cmph step to graph.persons.mph->graph.persons.cmph