Removed HAVE_RLIMIT and related rlimit code now that the server handles

the functionality.  Moved user-defined code to suexec.h.
Added "DON'T EDIT" warning in code.
No more "security by obscurity"...comments added at each step.

Submitted by: Jason A. Dour
Reviewed by: Roy Fielding, Randy Terbush


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@77035 13f79535-47bb-0310-9956-ffa450edef68