Updated JSON config in bmv2.py for general device provider
Updated JSON config in bmv2.py for general device provider

+ fixed unhandled exception

Change-Id: I06057872e743a85a430980ed2b6a67942b61e58f

LorenzReinhart/ONOSnew,opennetworkinglab/onos,osinstom/onos,gkatsikas/onos,gkatsikas/onos,opennetworkinglab/onos,kuujo/onos,LorenzReinhart/ONOSnew,kuujo/onos,oplinkoms/onos,osinstom/onos,kuujo/onos,gkatsikas/onos,LorenzReinhart/ONOSnew,kuujo/onos,opennetworkinglab/onos,gkatsikas/onos,opennetworkinglab/onos,oplinkoms/onos,oplinkoms/onos,opennetworkinglab/onos,kuujo/onos,gkatsikas/onos,LorenzReinhart/ONOSnew,opennetworkinglab/onos,osinstom/onos,kuujo/onos,LorenzReinhart/ONOSnew,gkatsikas/onos,kuujo/onos,oplinkoms/onos,oplinkoms/onos,osinstom/onos,osinstom/onos,oplinkoms/onos,oplinkoms/onos