Added duplicate message detection options

Author: TCBroad

src/HangFire.Azure.ServiceBusQueue/ServiceBusManager.cs

@@ -87,7 +87,10 @@ private static void CreateQueueIfNotExists(string prefixedQueue, NamespaceManage
 
                 Logger.InfoFormat("Creating new queue {0}", prefixedQueue);
 
-                var description = new QueueDescription(prefixedQueue);
+                var description = new QueueDescription(prefixedQueue)
+                {
+                    RequiresDuplicateDetection = true
+                };
 
                 if (options.Configure != null)
                 {

src/HangFire.Azure.ServiceBusQueue/ServiceBusQueueJobQueue.cs

@@ -72,7 +72,7 @@ public void Enqueue(IDbConnection connection, string queue, string jobId)
             {
                 var client = _manager.GetClient(queue);
 
-                using (var message = new BrokeredMessage(jobId))
+                using (var message = new BrokeredMessage(jobId) { MessageId = jobId })
                 {
                     _manager.Options.RetryPolicy.Execute(() => client.Send(message));
                 }