ports/182492: Upgrade logstash to version 1.2.1 and add some sample conf tweak

[madpilot at FreeBSD.org]

Synopsis: Upgrade logstash to version 1.2.1 and add some sample conf tweak

Responsible-Changed-From-To: freebsd-ports-bugs->madpilot
Responsible-Changed-By: madpilot
Responsible-Changed-When: Sun Sep 29 18:10:00 UTC 2013
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=182492