OGM-273 Add OgmLoder.loadEntities to load from a List of Tuple
OGM-151 Introduce EntityKeyMetadata and retrofit EntityKey
OGM-151 Introduce AssociationKeyMetadata and cache it in simple situations
OGM-228 Make EntityKeyMetadata serializable
OGM-228 Mass indexing tests
OGM-228 Add an implementation of the MassIndexer that can be used in OGM
OGM-182 Add StringDateTypeDescriptor and TimestampDateTypeDecriptor
OGM-182 Add EmptyAssociationSnapshot
OGM-182 Add test to check a PUT_NULL tuple operation
OGM-182 Refactor test for CompositeId
OGM-182 Add module for Neo4j
OGM-182 Enable Neo4j module
OGM-182 Document Neo4j data store provider