Update RabbitMq.Client 3.2.1
Refactoring, add overloads to ITunnel that accepts options when subscribing to queues. Allow more flexibilities to subscribe to a queue.
Merge branch 'master' of github.com:vanthoainguyen/Burrow.NET

Conflicts:
	src/Burrow.Extras/ITunnelWithPrioritySupport.cs
	src/Burrow.Extras/Internal/RabbitTunnelWithPriorityQueuesSupport.cs
	src/Burrow.Tests/RabbitTunnelTests/MethodPublish.cs
	src/Burrow/BurrowConsumer.cs
	src/Burrow/IConsumerManager.cs
	src/Burrow/ITunnel.cs
	src/Burrow/RabbitTunnel.cs