Nginx 1.9.0 开发版发布，支持 TCP 代理

Nginx 1.9.0 开发版发布，该版本增加了 stream module 用于一般的 TCP 代理和负载均衡。

下载地址：nginx-1.9.0 nginx/Windows-1.9.0

其他改进包括：

*) Change: obsolete aio and rtsig event methods have been removed.
*) Feature: the "zone" directive inside the "upstream" block.
*) Feature: the stream module.
*) Feature: byte ranges support in the ngx_http_memcached_module.
*) Feature: shared memory can now be used on Windows versions with
   address space layout randomization.
*) Feature: the "error_log" directive can now be used on mail and server
   levels in mail proxy.
*) Bugfix: the "proxy_protocol" parameter of the "listen" directive did
   not work if not specified in the first "listen" directive for a
   listen socket.