Added application ID store; both trivial and distributed variants.
diff --git a/core/api/src/test/java/org/onlab/onos/TestApplicationId.java b/core/api/src/test/java/org/onlab/onos/TestApplicationId.java
index e8c0304..cb16219 100644
--- a/core/api/src/test/java/org/onlab/onos/TestApplicationId.java
+++ b/core/api/src/test/java/org/onlab/onos/TestApplicationId.java
@@ -1,5 +1,7 @@
 package org.onlab.onos;
 
+import org.onlab.onos.core.ApplicationId;
+
 import java.util.Objects;
 
 /**