Added configuration example, code example, and a little explanation, to

facilitate logging all of your virtual hosts to a single file, and then
splitting them back up after. Note that if Apache has problems with this
many file handles, Perl might also. I'm not sure.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@95701 13f79535-47bb-0310-9956-ffa450edef68