last used quality profile is now used as default

UI/Config.js

@@ -1,6 +1,15 @@
 "use strict";
 define(['app'], function () {
 
+    NzbDrone.Config = {
+        Events: {
+            ConfigUpdatedEvent: 'ConfigUpdatedEvent'
+        },
+        Keys  : {
+            DefaultQualityProfileId: 'DefaultQualityProfileId'
+        }
+    };
+
     NzbDrone.Config.GetValue = function (key, defaultValue) {
 
         var storeValue = localStorage.getItem(key);
@@ -9,12 +18,20 @@ define(['app'], function () {
             return defaultValue;
         }
 
-        return storeValue;
+        return storeValue.toString();
     };
 
     NzbDrone.Config.SetValue = function (key, value) {
+
         console.log('Config: [{0}] => [{1}] '.format(key, value));
+
+        if (NzbDrone.Config.GetValue(key) === value.toString()) {
+            return;
+        }
+
         localStorage.setItem(key, value);
+        NzbDrone.vent.trigger(NzbDrone.Config.Events.ConfigUpdatedEvent, {key: key, value: value});
+
     };
 
 });