- get rid of pre_command_line_hook ... use register_hooks for this purpose

- get rid of optreset... screw -D, use environment variables ONE_PROCESS,
  SHOW_HOOKS, DUMP_VHOSTS, ... at least it builds this way :)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@83512 13f79535-47bb-0310-9956-ffa450edef68