bumped dep
using autocommit version of dnet-directindex-api
updated to solr 7.5.0
added dep to direct indexing api
depending on solr7 specific branch
stuff moved to dnet-openaire-exporter
added dnet-datasource-rest-api, working on deps
added dnet-datasource-rest-api
depending on released parent
commented outdated dependencies
refer to dnet45 source code and snapshot repository
codebase used to migrate to java8 the production system