Added report id as Alert field, to be able to link them (will do this likely in the apps).
Renamed PublicReport in PublicSymptoms, to differentiate it better from the actual report. Otherwise it'd have seemed correct to add report_id to PublicReport, but this can't be done, since we don't have a report signature yet when creating it.
Alertfield, to be able to link them (will do this likely in the apps).PublicReportinPublicSymptoms, to differentiate it better from the actual report. Otherwise it'd have seemed correct to addreport_idtoPublicReport, but this can't be done, since we don't have a report signature yet when creating it.