use non versionned path to deploy current trunk doc: snapshot doc history is not needed

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1448384 13f79535-47bb-0310-9956-ffa450edef68
fix README site deployment with svnpubsub

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1448407 13f79535-47bb-0310-9956-ffa450edef68