Added onos-test.
Refactored the CLI classes.
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/HostsListCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/HostsListCommand.java
index c45470c..29919a8 100644
--- a/cli/src/main/java/org/onlab/onos/cli/net/HostsListCommand.java
+++ b/cli/src/main/java/org/onlab/onos/cli/net/HostsListCommand.java
@@ -30,7 +30,7 @@
 
     @Override
     protected void execute() {
-        HostService service = getService(HostService.class);
+        HostService service = get(HostService.class);
         for (Host host : getSortedHosts(service)) {
             printHost(host);
         }