nginx_hmux_module - support hmux protocol proxy with Nginx

[wangbin579]

With this module, Nginx can connect to Resin through hmux protocol
directly.
You also can use tcpcopy to test this module.

nginx_hmux_module:
https://github.com/wangbin579/nginx-hmux-module or
http://code.google.com/p/nginx-hmux-module/
tcpcopy:
https://github.com/wangbin579/tcpcopy or
http://code.google.com/p/tcpcopy/

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,217681,217681#msg-217681