applications/luci-splash: Use a seperate config file for leases, #590

git-svn-id: http://svn.luci.subsignal.org/luci/trunk@9879 ab181a69-ba2e-0410-a84d-ff88ab4c47bc
applications/luci-splash: do not delete the nodes luci_splash_mark_in rule when its ip is unknown while syncing, instead use iptables comments there and delete that rule when the lease has been removed.

git-svn-id: http://svn.luci.subsignal.org/luci/trunk@9880 ab181a69-ba2e-0410-a84d-ff88ab4c47bc