Fix Danish and update alerts on language change

Author: bbedward

lib/appstate_container.dart

@@ -441,6 +441,9 @@ class StateContainerState extends State<StateContainer> {
 
   // Change language
   void updateLanguage(LanguageSetting language) {
+    if (language != null && curLanguage != null && curLanguage.language != language.language) {
+      checkAndUpdateAlerts();
+    }
     setState(() {
       curLanguage = language;
     });

lib/model/available_language.dart

@@ -51,7 +51,7 @@ class LanguageSetting extends SettingSelectionItem {
       case AvailableLanguage.FRENCH:
         return "Français (fr)";
       case AvailableLanguage.DANISH:
-        return "Dansk (dk)";        
+        return "Dansk (da)";        
       case AvailableLanguage.GERMAN:
         return "Deutsch (de)";
       case AvailableLanguage.SPANISH: