Added constraints to Taxon.synonymRelations, Synonym.synonymRelations, and SynonymRelationship.relatedFrom & SynonymRelationship.relatedTo to mark orphaned synonyms as invalid. [[https://dev.e-taxonomy.eu/trac/ticket/1347]]
Also, added constraint such that two accepted names or an accepted name and a synonym with the same sec reference and the same name are invalid.
Added constraints to Taxon.synonymRelations, Synonym.synonymRelations, and SynonymRelationship.relatedFrom & SynonymRelationship.relatedTo to mark orphaned synonyms as invalid. [[https://dev.e-taxonomy.eu/trac/ticket/1347]]
Also, added constraint such that two accepted names or an accepted name and a synonym with the same sec reference and the same name are invalid.