use plexus compiler 2.2 released version

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1452332 13f79535-47bb-0310-9956-ffa450edef68
snapshot repo not anymore needed

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1452333 13f79535-47bb-0310-9956-ffa450edef68