Serialization/deserialization issue fixed

src/main/java/no/nibio/vips/model/naerstadmodel/NaerstadModel.java

@@ -277,7 +277,8 @@ public class NaerstadModel extends I18nImpl implements Model{
         
         
         
-        List<WeatherObservation> observations = mapper.convertValue(config.getConfigParameter("observations"), new TypeReference<List<WeatherObservation>>(){});
+        //List<WeatherObservation> observations = mapper.convertValue(config.getConfigParameter("observations"), new TypeReference<List<WeatherObservation>>(){});
+        List<WeatherObservation> observations = (List<WeatherObservation>) config.getConfigParameter("observations");
         for(WeatherObservation o:observations)
         {
             switch(o.getElementMeasurementTypeId())