Touch-ups to patchpanel app, including adding to Buck build.

Change-Id: I212a575d50f3a38dea83b9ebe0c004b6267b0cbf
diff --git a/apps/patchpanel/src/main/java/org/onosproject/patchpanel/cli/PatchPanelCommand.java b/apps/patchpanel/src/main/java/org/onosproject/patchpanel/cli/PatchPanelCommand.java
index bac3221..5b6221a 100644
--- a/apps/patchpanel/src/main/java/org/onosproject/patchpanel/cli/PatchPanelCommand.java
+++ b/apps/patchpanel/src/main/java/org/onosproject/patchpanel/cli/PatchPanelCommand.java
@@ -28,10 +28,11 @@
 import org.onosproject.net.DeviceId;
 import org.onosproject.patchpanel.impl.PatchPanelService;
 
-//name of command and description
+/**
+ * Command for adding a new patch.
+ */
 @Command(scope = "onos", name = "patch",
          description = "Gets the 2 ports of one ConnectPoint that will be patched")
-
 public class PatchPanelCommand extends AbstractShellCommand {
     //the 2 arguments, both connect points
     @Argument(index = 0, name = "switch/portNumber", description = "ConnectPoint and first port number",