Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=54505
Clearer links to Tomcat specific options for JNDI resources

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1445111 13f79535-47bb-0310-9956-ffa450edef68
Document possible value for closeMethod attribute

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1445125 13f79535-47bb-0310-9956-ffa450edef68