- API: added post_read_request phase

- New module: mod_unique_id
- open_logs is now done before init_modules, and init_modules is not called
  twice at initialization

Reviewed by:	Ben Laurie, Jim Jagielski, Paul Sutton (well, they didn't
		all give +1s but they didn't veto it either! :)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@78989 13f79535-47bb-0310-9956-ffa450edef68