Add Network Configuration subsytem test

Includes get/set/delete drivers for the netCfg REST API
Change-Id: Ic9a3b7187367ff83af2fa6979602631a920bbb83
diff --git a/TestON/tests/FUNCnetCfg/README b/TestON/tests/FUNCnetCfg/README
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index 0000000..f52af84
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+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