Add check-nvp-config utility
Add check-nvp-config utility

Fixes bug 1130657

Change-Id: I514b92d53132d85144b5ed95450398bcfbf130f8

openstack/networking-cisco,Tehsmash/networking-cisco-nexus,noironetworks/networking-cisco,hareeshpc/networking-cisco,Tehsmash/networking-cisco,CiscoSystems/networking-cisco,Gitweijie/first_project,openstack/networking-cisco,Tehsmash/networking-cisco,nikolay-fedotov/networking-cisco,cisco-openstack/networking-cisco,noironetworks/networking-cisco,cisco-openstack/networking-cisco,CiscoSystems/networking-cisco,Gitweijie/first_project,hareeshpc/networking-cisco,Tehsmash/networking-cisco-apic