Implement kubevirt floating IP's class, codec, watcher and APIs

Change-Id: I2111902e86083add8a00af62557fac1e98b7e7fc
diff --git a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/cli/KubevirtListRouterCommand.java b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/cli/KubevirtListRouterCommand.java
index 4ebd21b..772b841 100644
--- a/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/cli/KubevirtListRouterCommand.java
+++ b/apps/kubevirt-networking/app/src/main/java/org/onosproject/kubevirtnetworking/cli/KubevirtListRouterCommand.java
@@ -23,7 +23,6 @@
 import org.apache.karaf.shell.api.action.Command;
 import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
-import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService;
 import org.onosproject.kubevirtnetworking.api.KubevirtRouter;
 import org.onosproject.kubevirtnetworking.api.KubevirtRouterService;
 
@@ -39,6 +38,9 @@
 import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.genFormatString;
 import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.prettyJson;
 
+/**
+ * Lists kubevirt routers.
+ */
 @Service
 @Command(scope = "onos", name = "kubevirt-routers",
         description = "Lists all kubevirt routers")
@@ -47,7 +49,6 @@
     @Override
     protected void doExecute() throws Exception {
         KubevirtRouterService service = get(KubevirtRouterService.class);
-        KubevirtNetworkService netService = get(KubevirtNetworkService.class);
         List<KubevirtRouter> routers = Lists.newArrayList(service.routers());
         routers.sort(Comparator.comparing(KubevirtRouter::name));