Fix presentation of IPv6 addresses and gateway

Signed-off-by: Andre Nathan <andre@digirati.com.br>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
change version to 1.0.6 in configure.ac

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Merge branch 'stable-1.0' into ovs