A couple tweaks of the comments at the top, including:

- Remove the NCSA/Rob McCool reference, which is
  really meaningless at this point.  The only thing
  left from those days is the idea behind the config
  format.  They get proper attribution elsewhere.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/simple-conf@159800 13f79535-47bb-0310-9956-ffa450edef68