Port Authentication Tracker - initial cut.

- With unit tests for behavior.

Change-Id: Icdf0c62268171e8c40d395366547a0bcaf612b61
diff --git a/BUCK b/BUCK
index 5942871..39243fe 100644
--- a/BUCK
+++ b/BUCK
@@ -5,6 +5,7 @@
     '//lib:org.apache.karaf.shell.console',
     '//lib:javax.ws.rs-api',
     '//cli:onos-cli',
+    '//core/common:onos-core-common',
     '//core/store/serializers:onos-core-serializers',
     '//incubator/api:onos-incubator-api',
     '//utils/rest:onlab-rest',