Although mod_mmap_static is an experimental module it works fine and already

Although mod_mmap_static is an experimental module it works fine and already
is distributed with Apache it was not prepared the same way as the other
modules. Hence let us give it a first cut for a documentation and an
(disabled, of course) entry in the Configuration.tmpl file.

Dean: Feel free to fix both my english and my initial content in the
      mod_mmap_static.html document. It's your baby, so you know
      best what is missing.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@80796 13f79535-47bb-0310-9956-ffa450edef68