[ale] IPv6 has NAT, now.

[mike at trausch.us (Michael B. Trausch)]

http://kernelnewbies.org/Linux_3.7

They made the NAT code protocol-independent, and there is now support 
for both IPv4 and IPv6 NAT.

Of course, I may not like the idea, but this means that I need to play 
with it.  For no other reason than to make sure it works the same as the 
old crap...

	--- Mike