-- Registry
-* sfa.plc.api.SfaAPI.fill_record_pl_info() should add the sites PIs to a slice records researchers list
-* update call should attempt to push updates to federated peers if
- the peer has a record for an object that is updated locally
-* api.update_membership() shoudl behave more like resolve when looking up records (attempt to resolve records at federated registeries) instead of only looking in the local registry
-* support generic registry records (dont depend on postgres!)
-
-- Aggregate
-* sfa.plc.slices.verify_site() should check if site['max_slices'] needs to be updated
-* sfa.plc.slices.verify_slice() should check if slice['expires'] needs to be updated
-
-- SM call routing
-* sfi -a option should send request to sm with an extra argument to
- specify which am to contact instead of connecting directly to the am
- (am may not trust client directly)