added missing p tag

git-svn-id: https://svn.apache.org/repos/asf/struts/site@1521003 13f79535-47bb-0310-9956-ffa450edef68
refactored dev mailing list

git-svn-id: https://svn.apache.org/repos/asf/struts/site@1521004 13f79535-47bb-0310-9956-ffa450edef68