The default MapRegistry and SingleRegistry implementations are independent of the runtime.
It would be useful to make them runtime-aware to:
- make them hold information about their extension point (would be useful for logging)
- make the "compatWarnOnMerge" behaviour depend on a nuxeo.conf boolean for full compatibility
- make the "compatWarnOnMerge" warn log visible in runtime messages at startup
- other logging features for error management (see