Update maven plugins.
Update maven plugins.

mk23/jmxproxy,mk23/jmxproxy-test,mk23/jmxproxy-test,mk23/jmxproxy,mk23/jmxproxy-test,mk23/jmxproxy-test,mk23/jmxproxy,mk23/jmxproxy,mk23/jmxproxy,mk23/jmxproxy-test,mk23/jmxproxy,mk23/jmxproxy-test