[MENFORCER-208]
 - Removed deprecated goal enforce-one.


git-svn-id: https://svn.apache.org/repos/asf/maven/enforcer/trunk@1634167 13f79535-47bb-0310-9956-ffa450edef68
[MENFORCER-209]
 - Upgraded of plexus-utils from 1.5.8 to 3.0.20


git-svn-id: https://svn.apache.org/repos/asf/maven/enforcer/trunk@1634169 13f79535-47bb-0310-9956-ffa450edef68