Message Title

auditReader.createQuery().forRevisionsOfEntity( SomeNonAuditedEntity.class, false, false )
  .add( AuditEntity.property( "someProperty.someNested" ).eq( someValue ) )
  .getResultList();

will cause a `NullPointerException` when attempting to locate relation information.

java.lang.NullPointerException
	at org.hibernate.envers.internal.entities.EntitiesConfigurations.getRelationDescription(EntitiesConfigurations.java:98)
	at org.hibernate.envers.query.criteria.internal.CriteriaTools.getRelatedEntity(CriteriaTools.java:44)
	at org.hibernate.envers.query.criteria.internal.SimpleAuditExpression.addToQuery(SimpleAuditExpression.java:45)
	at org.hibernate.envers.query.internal.impl.RevisionsOfEntityQuery.list(RevisionsOfEntityQuery.java:89)
	at org.hibernate.envers.query.internal.impl.AbstractAuditQuery.getResultList(AbstractAuditQuery.java:93)

QueryException: Cannot query audit history on a non-audited entity [%s].