Added ability to filter scene mappings by regex via services.

src/NzbDrone.Core/DataAugmentation/Scene/InvalidSceneMappingException.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NzbDrone.Common.Exceptions;
+
+namespace NzbDrone.Core.DataAugmentation.Scene
+{
+    public class InvalidSceneMappingException : NzbDroneException
+    {
+        public InvalidSceneMappingException(IEnumerable<SceneMapping> mappings)
+            : base(FormatMessage(mappings))
+        {
+
+        }
+
+        private static string FormatMessage(IEnumerable<SceneMapping> mappings)
+        {
+            return string.Format("Scene Mappings contains a conflict for tvdbids {0}, please notify Sonarr developers", mappings.Select(v => v.TvdbId));
+        }
+    }
+}