Add a config directive to Dexter to not maintain any connection status,

similarly to what ExtendedStatus did in 1.3.  It's not perfect, since
the server might still go through effort to derive status info only to
have it not recorded, but it does go most of the way.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@83986 13f79535-47bb-0310-9956-ffa450edef68