Disable debugging by default
fix ifindex detection
switch to libubox md5 implementation
Remove ula_compat feature
Learn routes in NDP-proxy by default
Use OpenWrt standard lease format
derive ipv6 static lease from ipv4 if no hostid is given
Use 1 socket per interface for DHCPv6
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/config.c