1. Remove all alternate stylesheets from docs. Some of these can be

replaced later if people want them.

2. Unwind the imports in ./style/css/manual-sbar-right-fix15.css
and name the result style/css/manual.xsl.

I made no content changes -- those will come in a second.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96659 13f79535-47bb-0310-9956-ffa450edef68