* Start re-organizing the function declarations to put related items together

* Fix http_scheme and default_port implementations to return proper 
  equivalents of DECLINED, so they can exist without breaking stuff
* Explain why some of the config access utility routines are ifdeffed out



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@479025 13f79535-47bb-0310-9956-ffa450edef68