[WIP] apps CLI changes for karaf upgrade

Change-Id: I283efc39c7d4f4b31344f1d2d0cdd2b98a60932d
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackDirectPortListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackDirectPortListCommand.java
index 9466481..5c2eb7c 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackDirectPortListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackDirectPortListCommand.java
@@ -15,7 +15,7 @@
  */
 package org.onosproject.openstacknetworking.cli;
 
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Command;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.openstacknetworking.api.OpenstackNetworkService;
 import org.openstack4j.model.network.IP;
@@ -39,7 +39,7 @@
     private static final String FORMAT = "%-40s%-20s%-20s%-20s%-20s%-20s";
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         OpenstackNetworkService service = AbstractShellCommand.get(OpenstackNetworkService.class);
 
         List<Port> ports = service.ports().stream()