OGM-498 Create a test for @GeneratedValue(strategy = GenerationType.AUTO) with the session
OGM-498 Use correct id generators when session is used
OGM-498 Create a MutableIdentifierGeneratorFactory
OGM-498 Use OgmMutableIdentifierGeneratorFactory to provide the right strategy for the identifiers generation
OGM-498 Update OgmIdentifierGenerationStrategy javadoc