New: Use Goodreads directly, allow multiple editions of a book (new DB required)

src/NzbDrone.Core/MetadataSource/Goodreads/GoodreadsException.cs

@@ -0,0 +1,18 @@
+using System.Net;
+using NzbDrone.Core.Exceptions;
+
+namespace NzbDrone.Core.MetadataSource.Goodreads
+{
+    public class GoodreadsException : NzbDroneClientException
+    {
+        public GoodreadsException(string message)
+            : base(HttpStatusCode.ServiceUnavailable, message)
+        {
+        }
+
+        public GoodreadsException(string message, params object[] args)
+            : base(HttpStatusCode.ServiceUnavailable, message, args)
+        {
+        }
+    }
+}