[maven-release-plugin] prepare for next development iteration
Merge branch 'release/v3.2.0' into develop
bump version to 3.3.1-SNAPSHOT
Update gitignore. Add nb-configuration.xml
.gitignore updated
bump version to 4.0.0-SNAPSHOT
[maven-release-plugin] prepare release v4.0.0
Merge branch 'master' into my4