Add nova network driver

We want to configure dnsmasq in a special way so that virtual machine
would get correct hostnames and search parameters. For that, we
supply network driver for nova-network that delegates most of the tasks
to old good linux_net, but changes nova configuration as necessary.

Change-Id: If8c8f7de66244abb05caf93911fa7b5ae9aa1b57
Version bump

Change-Id: I95e9cfc7b93e19843ba3d40cf1c66ef20afb1b11
Add openstack-nova-common dependency

Change-Id: Id798c27ab211680393a9becaf92f972dbe4b91e8