OGM-315 OneToOneTest does not completly clean the datastore at the end
OGM-299 Use SessionFactoryServiceInitiator instead of sessionFactory.addObserver to inject SessionFactory in DatastoreProvider
OGM-299 Clean DatastoreProviderInitiator JavaDoc
OGM-299 Remove unnecessary parameter in DatastoreProviderInitiator.create
OGM-299 Add JavaDoc on SessionFactoryRegistry services

The reason why some services are SessionFactoryRegistry based is not
obvious. Adding JavaDoc to help readability.
OGM-319 Update to Hibernate Search 4.4.0.Alpha1
OGM-320 Update to HQL Parser 1.0.0.Alpha3
OGM-312 Adapting to changed parser log ids
OGM-312 Adding integration tests for new operators for Lucene queries
OGM-312 Adding multi-word tests for LIKE operator