
Catch exception.NotFound when getting project VPN data. This is in two places: nova-manage as part of its vpn list command, and auth.manager.AuthManager.get_credentials. Also, document the behaviour of db.api.project_get_network.
Catch exception.NotFound when getting project VPN data. This is in two places: nova-manage as part of its vpn list command, and auth.manager.AuthManager.get_credentials. Also, document the behaviour of db.api.project_get_network.