[maven-release-plugin] copy for tag dnet-datasource-manager-rmi-4.0.0
[maven-release-plugin] prepare release dnet-datasource-manager-rmi-4.0.0
new apis
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release dnet-datasource-manager-rmi-3.0.1
preparing for release
added method findNextScheduledExecution, see #567