D-Net

[maven-release-plugin] copy for tag cnr-mongo-mdstore-5.0.3

Added more logs to understand problem during the feeding of mdstore

import cleanup

checking operation list size to avoid 'IllegalArgumentException: state should be: writes is not an empty list' when flushing bulk writes

changed log

Added deletion of unuseful discarded collection on start

Deleted also the bean of CreatorExtractor

deleting plugin file, Claudio will commit it again together with other stuff

Returning the number of stored records, together with the new total.

implemented plugin to extract authors from publications