My first try at relocating the manual tree outside of the htdocs/ directory.

It will now reside in the ServerRoot, alongside with .../man/ and .../icons/
and .../htdocs/
-
Please review the config.layout entries for the vendor specific entries,
I supplied sensible defaults but you may disagree.

Reviewed by:	William A. Rowe, Jr., Joshua Slive, Rich Bowen


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@90551 13f79535-47bb-0310-9956-ffa450edef68