firewall: Add ULA site border for IPv6 traffic
This prevents private traffic from leaking out to the internet

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35012 3c298f89-4303-0410-b956-a3cf2f4a3e73
uci: update to latest version, adds list delete, removes unused plugin support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35013 3c298f89-4303-0410-b956-a3cf2f4a3e73