Clarify that mod_info uses startup-config and not running-config

and note that mod_info and mod_status can be enabled from things
like .htaccess files.

Submitted by:	Ken Coar


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@77688 13f79535-47bb-0310-9956-ffa450edef68