THRIFT-2383 contrib: sample for connecting Thrift with Rebus

Patch: Jens Geyer
diff --git a/contrib/Rebus/README b/contrib/Rebus/README
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+Sample code for the combination of Thrift with Rebus.
+
+Rebus is a .NET service bus, similar to NServiceBus, but more lightweight. 
+It ihas been mainly written by Mogens Heller Grabe and is currently hosted 
+on GitHub (https://github.com/rebus-org/Rebus)
+
+As with all ServiceBus or MQ scenarios, due to the highly asynchronous 
+operations it is recommended to do all calls as "oneway void" calls.
+
+The configuration can be done via App.Config, via code or even mixed from 
+both locations. Refer to the Rebus documentation for further details. For 
+this example, since we are effectively implementing two queue listeners in 
+only one single process, we do configuration of incoming and error queues 
+in the code.
+
+If you want to communicate with non-NET languages, you may need a customized 
+serializer as well, in order to override Rebus' default wire format. Please 
+refer to the Rebus docs on how to do that (it's not that hard, really).
+
+Additional requirements:
+- RabbitMQ .NET client (see nuget)