forward-port the latest versions of mod_ssl and mod_setenvif from the 2.3...

forward-port the latest versions of mod_ssl and mod_setenvif from the 2.3 trunk to the async-dev branch so t/TEST will work once again

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/async-dev@306538 13f79535-47bb-0310-9956-ffa450edef68