D-Net

added logic for selection criteria implementation on datasources

export of link between publication and software (related to #4593)

print json but commented out.
Added test to get a proto from a json

added resourcetype and resulttype, new work type mapping

code cleaning

code adapted to new version of mapping utils 6.3.25 which supports journal information also on data sources

this mapper handles orcid publications (without doi) actions

generate actionset for orcid works and unit tests

Avoid nullpointer for publisher