Added instant notification framework

NzbDrone.Web/Models/NotificationResult.cs

@@ -0,0 +1,25 @@
+namespace NzbDrone.Web.Models
+{
+    public class NotificationResult
+    {
+        public NotificationResult()
+        {
+            Text = string.Empty;
+        }
+
+        public bool IsMessage { get { return true; } }
+
+        public string Title { get; set; }
+        public string Text { get; set; }
+        public NotificationType NotificationType { get; set; }
+
+
+    }
+
+    public enum NotificationType
+    {
+        Info,
+        Error
+    }
+
+}