Review request: JMC-5989: Publish nightly builds as SNAPSHOT builds on Sonatype

[Guru]

Hi Marcus,

Please review the fix for : https://bugs.openjdk.java.net/browse/JMC-5989 <https://bugs.openjdk.java.net/browse/JMC-5989>
Webrev : http://cr.openjdk.java.net/~ghb/JMC-5989/webrev.0/ <http://cr.openjdk.java.net/~ghb/JMC-5989/webrev.0/> 

Thanks,
Guru