Use "current" link to Apache docs.
More stable then "2.2".


git-svn-id: https://svn.apache.org/repos/asf/tomcat/jk/trunk@1507091 13f79535-47bb-0310-9956-ffa450edef68
Clean up some Apache version info.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/jk/trunk@1507092 13f79535-47bb-0310-9956-ffa450edef68