Add nexus-staging-maven-plugin for release
Add nexus-staging-maven-plugin for release

This plugin allows directly deploying artifacts to oss sonatype.
Also, this should workaround multiple staging repository issue.

Change-Id: I269dd284753607aa5b78c067b6f473e1ba5314d1

toliaqat/xenon,toliaqat/xenon,toliaqat/xenon,toliaqat/xenon,toliaqat/xenon