miniupnpd/miniupnpd.c: be more strict when parsing LAN addresses / interface names
miniupnpd/Changelog.txt: catch up :)
miniupnpd/minissdp.c: clean SendSSDPNotify() code
miniupnpd/minissdp.c: AddMulticastMembershipIPv6() targets specific interface
miniupnpd/minissdp.c: Add IPV6 multicast membership only on selected "LAN" interfaces
miniupnpd/minissdp.c: clean SendSSDPbyebye()