Add 'enable_snat' to GatewayInfo under quantum-model.
Add 'neutron agent-list' equivalent.
Add 'shared' to NetworkForCreate of quantum-model.
Add 'ceilometer statistics/sample-list/resource-list/resource-show)' equivalents.
Add 'toString()' to Router of quantum-model.
Add 'neutron router-list-on-l3-agent' equivalent.
Add 'nova host-update/host-action' equivalents.