[WIP] apps CLI changes for karaf upgrade

Change-Id: I283efc39c7d4f4b31344f1d2d0cdd2b98a60932d
diff --git a/apps/ofagent/src/main/java/org/onosproject/ofagent/cli/OFAgentAddControllerCommand.java b/apps/ofagent/src/main/java/org/onosproject/ofagent/cli/OFAgentAddControllerCommand.java
index d4a8406..b2d5f39 100644
--- a/apps/ofagent/src/main/java/org/onosproject/ofagent/cli/OFAgentAddControllerCommand.java
+++ b/apps/ofagent/src/main/java/org/onosproject/ofagent/cli/OFAgentAddControllerCommand.java
@@ -15,8 +15,8 @@
  */
 package org.onosproject.ofagent.cli;
 
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.TpPort;
 import org.onosproject.cli.AbstractShellCommand;
@@ -46,7 +46,7 @@
     private String strCtrl;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         if (!isValidController(strCtrl)) {
             error("Invalid controller string %s, must be IP:PORT", strCtrl);
             return;