[Aleph rest-dlf connector] Refactored AlephUtil & made itemDescription an optional choice (callNumber, copyNumber & itemDescription from z30-description)
[Aleph connector] Purged unused methods in AlephItems
[Aleph rest-dlf connector] Included Barcode as Accession Number to output on LookupItem Service with ComponentId because BibliographicRecordId somehow cannot pass through the translator
[Aleph connector] Modified XML response example of newly formatted LookupItem Service (includes Barcode in ComponentId)