luci-app-batman-adv: fix controller regexps to accept bat-hostnames instead of macs
luci-app-batman-adv: don't uppercase originator names
luci-app-batman-adv: sort originators list by descending TQ
luci-app-batman-adv: gw last-seen was confused with TQ
luci-app-batman-adv: add interface and nexthop columns to originators table