* support multiple WAN interfaces in iptables rules,
set 'ban_iface' option accordingly (as space separated list)
or use the LuCI frontend
* add new "refresh" mode while triggered by fw changes (no download)
* add required ip dependency
* fix wrong 'settype' definition for firehol1 in config
Signed-off-by: Dirk Brenken <dev@brenken.org>