Add -D DUMP_RUN_CFG option to dump some configuration items

from the parsed (or default) config. This is useful for init scripts that
need to setup temporary directories and permissions, for example if those
temporary directories are located on a ram disk.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1180681 13f79535-47bb-0310-9956-ffa450edef68