Run Dnsmasq with --enable-ra, so that it generates IPv6 router advertisements
Add IPv6 gateway address to DHCP port, as well as IPv4 address
Specify off-link flag to Dnsmasq
Merge pull request #3 from Metaswitch/ipv6

Neutron enhancements for Calico/IPv6 connectivity
Merge branch 'master' into ubuntu
Debian version 2014.1-0ubuntu1-calico0.4