Activity resources are now of type ABC.Model.Resource. Visit resource added.
Merge branch 'sobu-nilu' of https://github.com/StevenHouben/SmartWard into sobu-nilu
PDA activity view, patientsview, patientview, resourcevice (with sub resource views)
Merge branch 'sobu-nilu' of https://github.com/StevenHouben/SmartWard into sobu-nilu