Implement kubevirt loadbalancer service with unit tests

Change-Id: I1c29e75aa5196b497f8f12f1d182788e3d173244
(cherry picked from commit 870abf8c7a7904c5953e20807ee7c681d8b5cd0b)
diff --git a/apps/kubevirt-networking/api/src/main/java/org/onosproject/kubevirtnetworking/api/KubevirtRouterStore.java b/apps/kubevirt-networking/api/src/main/java/org/onosproject/kubevirtnetworking/api/KubevirtRouterStore.java
index 7313aa9..ff25a02 100644
--- a/apps/kubevirt-networking/api/src/main/java/org/onosproject/kubevirtnetworking/api/KubevirtRouterStore.java
+++ b/apps/kubevirt-networking/api/src/main/java/org/onosproject/kubevirtnetworking/api/KubevirtRouterStore.java
@@ -51,7 +51,7 @@
      * Returns the kubevirt router with the given router name.
      *
      * @param name router name
-     * @return removed kubevirt router; null if failed
+     * @return kubevirt router; null if failed
      */
     KubevirtRouter router(String name);