QFactory should unregister MBean on initiallization errors
QFactory should unregister MBean on initiallization errors

closes #236

jpos/jPOS,jpos/jPOS,barspi/jPOS,barspi/jPOS,barspi/jPOS,alcarraz/jPOS,jpos/jPOS,alcarraz/jPOS,alcarraz/jPOS