// GET api/Symptoms
 public IEnumerable<Symptom> GetSymptoms()
 {
     var symptoms = db.WellCastSymptoms.AsEnumerable();
     var envelop = new WellCastEnvelope<IEnumerable<Symptom>>(symptoms);
     return symptoms;
 }
 // GET api/Forecasts
 public IEnumerable<Forecast> GetForecasts()
 {
     var conditions = db.WellCastForecasts.AsEnumerable();
     var envelop = new WellCastEnvelope<IEnumerable<Forecast>>(conditions);
     return conditions;
 }