OGM-182 Add StringDateTypeDescriptor and TimestampDateTypeDecriptor
OGM-182 Add EmptyAssociationSnapshot
OGM-182 Add test to check a PUT_NULL tuple operation
OGM-182 Add Maven module for Neo4j
OGM-182 Enable Neo4j module
OGM-182 Add Neo4j JBoss AS modules
OGM-182 Upgrade Neo4j to 2.0.0-M03
OGM-182 Use Neo4jJtaPlatform  as default JtaPlatform for Neo4j
OGM-182 Add Neo4j documentation