Neo4J Database Import

Created the neo4j script and updated the database relationship model to
import the EAC-CPF records into the database.  Each agent (person,
corporation, family) is created as a node with relationships
(associatedWith, correspondedWith) connecting them.  Occupations,
Subjects, and ARK IDs are given as exact-match indexes into the
database.
Added Places

Added places as nodes in the database.  Created a new AssociatedPlace
relationships to relate people to the places they are listed at.