Routes are not available in network_info with Neutron

[Mathieu Gagné]

When using Neutron, subnet routes are not added to network_info.

There is actually a TODO in the code about it.

[Openstack Gerrit (openstack-gerrit)]

Fix proposed to branch: master
Review: https://review.openstack.org/91727

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/91727
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=7ad40bf95f87d92ff611c6b014c07e87b7fe8bfa
Submitter: Jenkins
Branch: master

commit 7ad40bf95f87d92ff611c6b014c07e87b7fe8bfa
Author: Mathieu Gagné <email address hidden>
Date: Thu May 1 20:28:13 2014 -0400

    Add subnet routes to network_info when Neutron is used

    This change adds subnet routes to the network_info.

    Extensions and future code will now have access to subnet routes.

    Change-Id: I0827494dd5c95eb596e526204a2d94fcda2bb0dc
    Closes-bug: #1315207