[maven-release-plugin] prepare release 2.12.3.Final
[maven-release-plugin] prepare for next development iteration
Bumped version to 2.13.0-SNAPSHOT
Avoid overriding of a preset settings.xml
Proxies should handle null values a little more smoothly (don't throw NPEs if possible. Better validation.)
[maven-release-plugin] prepare release 2.13.0.Final
[maven-release-plugin] prepare for next development iteration