* Update polling and drop the firewalled bit.
Since fail2ban on FreeBSD has moved to using anchors, the previous
issue of it dreking all over its self is no longer a problem.
And AFAIK it has never been an issue on Linux.
This also makes this script more cross platform as well instead.
* change the name of the graph of the total banned so people don't have to remove old file
* go back to the original RRD and just shove U into the no longer data area