Completer fixes for core ONOS CLI commands

Change-Id: Icedfc542ad93a2825b592f3deb6cd96d91779544
diff --git a/cli/src/main/java/org/onosproject/cli/net/ConfigureLinkCommand.java b/cli/src/main/java/org/onosproject/cli/net/ConfigureLinkCommand.java
index 6af7a26..89b2e48 100644
--- a/cli/src/main/java/org/onosproject/cli/net/ConfigureLinkCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/ConfigureLinkCommand.java
@@ -21,9 +21,11 @@
 
 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.apache.karaf.shell.api.action.Option;
 import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.cli.net.completer.PeerConnectPointCompleter;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.Link;
 import org.onosproject.net.LinkKey;
@@ -41,10 +43,12 @@
 
     @Argument(index = 0, name = "src", description = "src port",
             required = true, multiValued = false)
+    @Completion(ConnectPointCompleter.class)
     String src = null;
 
     @Argument(index = 1, name = "dst", description = "dst port",
             required = true, multiValued = false)
+    @Completion(PeerConnectPointCompleter.class)
     String dst = null;
 
     @Option(name = "--type",