undo worng commit
fixed some queries
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release dnet-openaireplus-datasource-manager-service-5.2.3
fixed scm
reverted pom, one step back
reverted pom
[maven-release-plugin] prepare release dnet-openaireplus-datasource-manager-service-5.2.4
integrated latest changes from dnet40
depending on released parent
migrated to dnet45
codebase used to migrate to java8 the production system