If the enable_quotas setting above is not included, or is False this has the following side effects
- The "CreateNetwork" button disappears on the CreateNetwork view
- The "CreateSubnet" button disappears on the CreateSubnet view
- The "CreateRouter" button disappears on the CreateRouter view
These three side effects happen because the code in the views use the following construct (network for example) https://github.com/openstack/horizon/blob/master/openstack_dashboard/dashboards/project/networks/tables.py#L94
usages = quotas.tenant_quota_usages(request)