new optical app changes for karaf 4.2.1 CLI

Change-Id: I2e1a39633f7a07610db90bb89864c6dc6d9b0917
diff --git a/apps/newoptical/src/main/java/org/onosproject/newoptical/cli/RemoveOpticalConnectivityCommand.java b/apps/newoptical/src/main/java/org/onosproject/newoptical/cli/RemoveOpticalConnectivityCommand.java
index 52605a6..d8cb254 100644
--- a/apps/newoptical/src/main/java/org/onosproject/newoptical/cli/RemoveOpticalConnectivityCommand.java
+++ b/apps/newoptical/src/main/java/org/onosproject/newoptical/cli/RemoveOpticalConnectivityCommand.java
@@ -17,6 +17,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Completion;
 import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.newoptical.api.OpticalConnectivityId;
@@ -28,6 +29,7 @@
 public class RemoveOpticalConnectivityCommand extends AbstractShellCommand {
     @Argument(index = 0, name = "id", description = "ID of optical connectivity",
             required = true, multiValued = false)
+    @Completion(OpticalConnectivityIdCompleter.class)
     String idStr = null;
 
     @Override