[WIP] apps CLI changes for karaf upgrade

Change-Id: I283efc39c7d4f4b31344f1d2d0cdd2b98a60932d
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/floatingip/FloatingIpRemoveCommand.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/floatingip/FloatingIpRemoveCommand.java
index 7c1e7c5..41eeb03 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/floatingip/FloatingIpRemoveCommand.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/floatingip/FloatingIpRemoveCommand.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.FloatingIp;
 import org.onosproject.vtnrsc.FloatingIpId;
@@ -44,7 +44,7 @@
     String floatingIp = null;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         FloatingIpService service = get(FloatingIpService.class);
         if (id == null && fixedIp == null && floatingIp == null) {
             print(null, "one of id, fixedIp, floatingIp should not be null");