Belatedly update the documentation to include the NameVirtualHost *

stuff. This isn't quite a sync with the 1.3 docco because we don't
want to mention 1.3 in the 2.0 docs.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86673 13f79535-47bb-0310-9956-ffa450edef68