Consolidated the startup attributes for building the command line for a CGI

binary into a single structure.  This allows platform integrator to manipulate
the startup parameters much more easily.  Also added the detach attribute
so that each CGI binary can be spawn appropriately for the OS.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@95534 13f79535-47bb-0310-9956-ffa450edef68