contrib/freifunk-firewall: Make it work with firewall3

git-svn-id: http://svn.luci.subsignal.org/luci/trunk@9832 ab181a69-ba2e-0410-a84d-ff88ab4c47bc
applications/luci-splash: Work with firewall3

git-svn-id: http://svn.luci.subsignal.org/luci/trunk@9833 ab181a69-ba2e-0410-a84d-ff88ab4c47bc