Completer fixes for core ONOS CLI commands

Change-Id: Icedfc542ad93a2825b592f3deb6cd96d91779544
diff --git a/cli/src/main/java/org/onosproject/cli/net/GroupStatusCompleter.java b/cli/src/main/java/org/onosproject/cli/net/GroupStatusCompleter.java
index 3669c54..ce7f51e 100644
--- a/cli/src/main/java/org/onosproject/cli/net/GroupStatusCompleter.java
+++ b/cli/src/main/java/org/onosproject/cli/net/GroupStatusCompleter.java
@@ -16,6 +16,7 @@
 package org.onosproject.cli.net;
 
 import com.google.common.collect.Lists;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractChoicesCompleter;
 import org.onosproject.net.group.Group;
 
@@ -24,6 +25,7 @@
 /**
  * Group status completer.
  */
+@Service
 public class GroupStatusCompleter extends AbstractChoicesCompleter {
     @Override
     protected List<String> choices() {