PR:
Obtained from:
Submitted by:	Mathijs Maassen <mathijs@xs4all.nl>
Reviewed by:	Jim, Lars
Add the new DocumentRootCheck directive. This determines if we
check for each DocumentRoot during startup.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@83326 13f79535-47bb-0310-9956-ffa450edef68