PodioOutput: support PODIO 00-16
See https://github.com/AIDASoft/podio/commit/3c8240486a884530130a33070566a35c10bcb8e1
Also, see discussion in https://github.com/AIDASoft/podio/issues/314 if you have questions about pointer ownership.
See https://github.com/AIDASoft/podio/commit/3c8240486a884530130a33070566a35c10bcb8e1
Also, see discussion in https://github.com/AIDASoft/podio/issues/314 if you have questions about pointer ownership.