Cleaned up Notifications a bit

NzbDrone.Core/Notifications/NotificationBase.cs

@@ -1,10 +1,11 @@
 using System;
 using NLog;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Core.Tv;
 
 namespace NzbDrone.Core.Notifications
 {
-    public abstract class NotificationBase : INotification
+    public abstract class NotificationBase<TSetting> : INotification where TSetting : class, INotifcationSettings, new()
     {
         public abstract string Name { get; }
 
@@ -13,5 +14,14 @@ namespace NzbDrone.Core.Notifications
         public abstract void OnGrab(string message);
         public abstract void OnDownload(string message, Series series);
         public abstract void AfterRename(Series series);
+
+        public TSetting Settings { get; private set; }
+
+        public TSetting ImportSettingsFromJson(string json)
+        {
+            Settings = Json.Deserialize<TSetting>(json) ?? new TSetting();
+
+            return Settings;
+        }
     }
 }