Update plugins/mail/qmailconn

# 2013-02-02 - Added support for Greylist and simscan Virus\Spam detect
#              Added LOGPATH env var
Merge pull request #246 from ufoonline/patch-1

Update plugins/mail/qmailconn
mail/qmailconn: fix author's name
Converted traffic plugin to use iptables/ip6tables

You can now choose to use the snmp counters or if your host does
not support it (in some containers for example), you can set rules
in your firewall and count based on that.