Process a response from a previous asynchronous send performed by the EIP
component DONE and ERROR response are catch previously by the framework,
so this response is a Fault or an OUT message.
Process the result of a sent exchange.
- if the exchange contains an OUT, return it and close the sent exchange
- if the exchange contains a FAULT, return it and close the sent exchange
- if the exchange is on ERROR status, throw a JBI Exception - if the
exchange is on DONE status, return a null Normalized Message