Nginx now supports error and access logging to syslog

[x64architecture]

In this commit, nginx got support for logging to syslog.

So nginx 1.7.1+(unreleased) doesn't need this patch anymore. So my suggestion is to state this in the readme to let people know that this is now supported in the nginx core.

[yaoweibin]

Thank you. I will do it when it released

[makhomed]

already released,

http://nginx.org/en/download.html

http://nginx.org/en/docs/http/ngx_http_log_module.html