[maven-release-plugin] prepare for next development iteration
Merge remote branch 'origin/release/3.0' into dev
[issue #9] copyNode needed an additional check for null desc url of the source node
Merge branch 'bug/9-copyNode-NPE-no-desc-url' into dev
[maven-release-plugin] prepare release data-objects-3.1.1
Release of data-objects-3.1.1