HORNETQ-1209 IllegalStateRuntimeException if calling Context from CompletionListener
HORNETQ-1209 Fix passing StreamMessage to CompletionListener.
Merge pull request #1161 from andytaylor/XAJMSContext

added XAJMSContext
Merge pull request #1160 from FranciscoBorges/master

Fix some JMS2 spec issues
[HORNETQ-1230] fix compliance of RA getXAResources

fix HornetQResourceAdapter.getXAResources() by returning null (instead
of raising an exception) when auto recovery is used.
If there is no auto recovery, return the XAResources for each RA's
inflow activation endpoint.
Merge pull request #1162 from jmesnil/HORNETQ-1230_RA_getXAResources

[HORNETQ-1230] fix compliance of RA getXAResources
fix receivebody to return null on null message