Add IDisposable interface to IDestination.
Fixes [AMQNET-473]. (See https://issues.apache.org/jira/browse/AMQNET-473)

diff --git a/src/main/csharp/Commands/ActiveMQDestination.cs b/src/main/csharp/Commands/ActiveMQDestination.cs
index 61ffd57..d4d287a 100644
--- a/src/main/csharp/Commands/ActiveMQDestination.cs
+++ b/src/main/csharp/Commands/ActiveMQDestination.cs
@@ -95,6 +95,10 @@
 			//this.advisory = name != null && name.StartsWith(ADVISORY_PREFIX);
 		}
 
+        public void Dispose()
+        {
+        }
+
 		public bool IsTopic
 		{
 			get