Nexus Kenai Realm Plugin

While this realm is not shipped with any of distros
it's OSS plugin for Nexus, hence it built with Nexus OSS.

Related:
https://issues.sonatype.org/browse/NXCM-4884

To buy out "yet another git repo" (that actually holds few lines only):
https://github.com/sonatype/nexus-kenai