Convert mod_auth_ldap to xml. This doesn't quite conform

to the DTD because there are some <font> tags that need to
be removed.  There are a bunch of other little things
that could be improved, including adding proper
<description> tags.

Mod_ldap still needs to be converted.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96597 13f79535-47bb-0310-9956-ffa450edef68