On the trunk:

mod_ssl: add support for TLSv1.3 (tested with OpenSSL v1.1.1-pre3, other libs may
     need more sugar). 



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1827912 13f79535-47bb-0310-9956-ffa450edef68