Minor Documentation Update: broken and mis-typed links, and a reference to

a resource which is available only at http://www.apache.org/, not in the
user's tree.
Reviewed by:Dean Gaudet, Jim Jagielski, Ken Coar


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@79566 13f79535-47bb-0310-9956-ffa450edef68