- fix a few missing references in latex output by adding module and directive

  index and dict pages. The simple directive list (/mod/directives.html) won't
  be included. The link points to the quick reference instead.
- use &lf; for newline output along the way.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1561869 13f79535-47bb-0310-9956-ffa450edef68