* Program qos-config to vrouter even if forwarding-class is not present.
* Program qos-config to vrouter even if forwarding-class is not present.

Change-Id: I272ef408c5fa0e9f83c8b850090a9a99f862e112
Closes-bug:#1598684

codilime/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,codilime/contrail-controller