added dependency to dnet-direct-indexing-api
removed openaireLayoutToRecordStylesheet.xsl, it has been moved in dnet-openaireplus-mapping-utils so that it can be shared among openaire workflows and the rest controller for direct index feeding
commented dependency to dnet-directindex-api
a required xslt for direct-index-api
updated properties
fixed pom
branch for the production system
cleanup
excluding dnet-datasource-rest-api until we provide a release
updated parent
updated deps
codebase used to migrate to java8 the production system