trying to enable OCSP Stapling without certificate chain

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1633793 13f79535-47bb-0310-9956-ffa450edef68
make docs

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1633794 13f79535-47bb-0310-9956-ffa450edef68