Better client side errors when there are issues communicating with trakt.

NzbDrone.Common/Exceptions/NzbDroneClientException.cs

@@ -0,0 +1,20 @@
+using System.Net;
+
+namespace NzbDrone.Common.Exceptions
+{
+    public class NzbDroneClientException : NzbDroneException
+    {
+        public HttpStatusCode StatusCode { get; private set; }
+
+        public NzbDroneClientException(HttpStatusCode statusCode, string message, params object[] args) : base(message, args)
+        {
+            StatusCode = statusCode;
+        }
+
+        public NzbDroneClientException(HttpStatusCode statusCode, string message)
+            : base(message)
+        {
+            StatusCode = statusCode;
+        }
+    }
+}