This is essentially a straw-man for people to hate until they come up with

This is essentially a straw-man for people to hate until they come up with
something better.  In particular, it is not integrated into the xml system,
I just stole the generated html style to make it more consistent.  Other than
that, the major changes are:

- Three columns instead of two.

- Split the "howto's" off into their own category.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96682 13f79535-47bb-0310-9956-ffa450edef68