adding RFC6587

Author: mcuadros

README.md

@@ -1,7 +1,7 @@
 go-syslog [![Build Status](https://travis-ci.org/mcuadros/go-syslog.png?branch=master)](https://travis-ci.org/mcuadros/go-syslog) [![GoDoc](http://godoc.org/github.com/mcuadros/go-syslog?status.png)](http://godoc.org/github.com/mcuadros/go-syslog)
 ==============================
 
-Syslog server library for go, build easy your custom syslog server over UDP, TCP or Unix sockets using RFC3164 or RFC5424
+Syslog server library for go, build easy your custom syslog server over UDP, TCP or Unix sockets using RFC3164, RFC6587 or RFC5424
 
 Installation
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