Update nexus plugin version to 2.1
[maven-release-plugin] prepare release 25
[maven-release-plugin] prepare for next development iteration
Use nexus-staging-maven-plugin
[maven-release-plugin] prepare release 25
[maven-release-plugin] prepare for next development iteration
Revert "Use nexus-staging-maven-plugin"

This reverts commit 0bb91635891578f0c155ecf6592b6032e61da86d.
[maven-release-plugin] prepare release 25
[maven-release-plugin] prepare for next development iteration
Add suppressionsLocation for maven-checkstyle-plugin