This test is designed to test the Network config subsystem. There are two
primary areas that we are testing, The NetCfg subsystem as a framework and how
this is used by other subsystems.
Features Tested:
A. Network Configuration subsystem as a framework
    1. Add/Modify/Remove/Reading Net Config data
    2. Distribution of configurations across ONOS nodes
B. Usage of Net Cfg by other systems
    1. Device configuration
        a. Allow/disallow devices
        b. Device name and other annotations