Added onos-test.
Refactored the CLI classes.
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/DevicesListCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/DevicesListCommand.java
index 357d005..be102f2 100644
--- a/cli/src/main/java/org/onlab/onos/cli/net/DevicesListCommand.java
+++ b/cli/src/main/java/org/onlab/onos/cli/net/DevicesListCommand.java
@@ -30,7 +30,7 @@
 
     @Override
     protected void execute() {
-        DeviceService service = getService(DeviceService.class);
+        DeviceService service = get(DeviceService.class);
         for (Device device : getSortedDevices(service)) {
             printDevice(service, device);
         }