[WIP] apps CLI changes for karaf upgrade

Change-Id: I283efc39c7d4f4b31344f1d2d0cdd2b98a60932d
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/router/RouterRemoveCommand.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/router/RouterRemoveCommand.java
index b0240e4..d053239 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/router/RouterRemoveCommand.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/router/RouterRemoveCommand.java
@@ -17,8 +17,8 @@
 
 import java.util.Set;
 
-import org.apache.karaf.shell.commands.Command;
-import org.apache.karaf.shell.commands.Option;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Option;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.vtnrsc.Router;
 import org.onosproject.vtnrsc.RouterId;
@@ -40,7 +40,7 @@
     String routerName = null;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         RouterService service = get(RouterService.class);
         if (id == null && routerName == null) {
             print(null, "one of id, routerName should not be null");