Merge branch 'ipv6-tclass-bug4055'
Bug#4055 - "error setting listen fd IPV6_TCLASS: Protocol not available" log
message.
Remove unused po/ directory; it came back with the cvs2git conversion.
Avoid null pointer dereference for interfaces with no addresses.
Merge branch 'netaddr-by-device-null-ifa-addr' into 1.3.5

Conflicts:
	NEWS