Extended httpd log format patch

  Here my patch against 2.2 stable, might apply as-is to 2.3.

http://www.idle.com/~roy/patch.elf

  Adds an emulate_extended_httpd_log format. Not sure why emulate_httpd_log
prints the cache hit/miss data, but I left that in there in extended as
well.

-Jonathan

---
Jonathan Roy - roy@idle.com - Idle Communications, Inc.