D-Net

introducing scm definition

#1038 changing ceon-scala-commons 0.0.2-SNAPSHOT dependency to released 0..0.2

#1038 dependency cleanup: removing obsolete dnet-openaireplus-mapping-utils dependency

replacing non standard dash character to '-'

replacing non standard dash character to '-'

fixing test run on jenkins: seting encoding explicitly to utf8

#1017 fixing expected citations

#1017 fixing PMC and DOI identifiers retrieval from avro map: addressing by Utf8 objects not by String

#1017 accepting ExtractedDocumentMetadata instead of DocumentText at PMC citation ingestion input. Aliging integration test and importer workflow.

#1017 introducing new PMC metadata ingestion currently extracing references, journal and pages fields.
Replacing DOM/XPath based citations ingestion with much faster SAX version. Changing pmidtooaid transformer utilizing ExtractedDocumentMetadata instead of parsing XML file. Enabling PMC metadata ingestion in common/import.