NzbDroneException now has inner exception

NzbDrone.Common/Exceptions/NzbDroneException.cs

@@ -15,5 +15,16 @@ namespace NzbDrone.Common.Exceptions
         {
 
         }
+
+        protected NzbDroneException(string message, Exception innerException, params object[] args)
+            : base(string.Format(message, args), innerException)
+        {
+
+        }
+
+        protected NzbDroneException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
     }
 }

NzbDrone.Core/Configuration/InvalidConfigFileException.cs

@@ -6,7 +6,7 @@ using NzbDrone.Common.Exceptions;
 
 namespace NzbDrone.Core.Configuration
 {
-    public class InvalidConfigFileException : Exception
+    public class InvalidConfigFileException : NzbDroneException
     {
         public InvalidConfigFileException(string message, Exception innerException) : base(message, innerException)
         {