nginx 0.9.6
下载：
http://nginx.org/download/nginx-0.9.6.tar.gz (linux)
http://nginx.org/download/nginx-0.9.6.zip (win)
Changes with nginx 0.9.6 21 Mar 2011
*) Feature: the "map" directive supports regular expressions as value of the first parameter.
*) Feature: $time_iso8601 access_log variable. Thanks to Michael Lustfield.