SMX-JMX in-out provider should asynchronously handle response messages

The new smx-jms provider endpoint appears to synchronously wait to receive a response message from the reply-to queue (see method processInOutInSession() in http://fisheye6.atlassian.com/browse/~raw,r=602826/servicemix/smx3/trunk/deployables/bindingcomponents/servicemix-jms/src/main/java/org/apache/servicemix/jms/endpoints/JmsProviderEndpoint.java). Also see nabble (http://www.nabble.com/New-smx-jms-provider-scalability-handling-in-out-MEP-td19129424ef12049.html)

Instead, the provider should probably use a Spring MessageListenerContainer to asynchronously handle the response messages. This is a more scalable solution, similar to what was provided with the old smx-jms provider endpoint.

• Ron