removed projectVersion property

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-sitetools/trunk@1471168 13f79535-47bb-0310-9956-ffa450edef68
add autoVersionSubmodules=true to m-release-p

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-sitetools/trunk@1471169 13f79535-47bb-0310-9956-ffa450edef68