D-Net

#840 moving IdentifierMapping from importer to common package

#840 renaming DeduplicationMapping to more generic IdentifierMapping

#757 introducing article type extraction along with unit test. Article type will be required for filtering out pmc duplicates and leaving only proper types

fixing sourceDocumentId which is now extracted from input DocumentText record conveying NLM

#757 fixing pmc citation matching test by providing proper input

#757 fixing pmc citation matching test by providing proper input

#757 fixing pmid and doi matching, fixing sourceDocumentId and destinationDocumentId generation

Commented out test in a stub of a solution to the task #576: Ingestion of metadata from EuropePMC.

Stub of a solution to the task #576: Ingestion of metadata from EuropePMC.

dir names in parameters should not contain nameNode