[maven-release-plugin] copy for tag dnet-download-service-2.2.6
[maven-release-plugin] copy for tag dnet-download-service-2.2.5
[maven-release-plugin] copy for tag dnet-download-service-2.2.3
[maven-release-plugin] copy for tag dnet-download-service-2.2.2
[maven-release-plugin] copy for tag dnet-download-service-2.2.1
codebase used to migrate to java8 the production system