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

Change-Id: I212a575d50f3a38dea83b9ebe0c004b6267b0cbf
diff --git a/apps/patchpanel/BUCK b/apps/patchpanel/BUCK
new file mode 100644
index 0000000..77f75b3
--- /dev/null
+++ b/apps/patchpanel/BUCK
@@ -0,0 +1,16 @@
+COMPILE_DEPS = [
+    '//lib:CORE_DEPS',
+    '//lib:org.apache.karaf.shell.console',
+    '//cli:onos-cli',
+]
+
+osgi_jar (
+    deps = COMPILE_DEPS,
+)
+
+onos_app (
+    title = 'Patch Panel',
+    category = 'Traffic Steering',
+    url = 'http://onosproject.org',
+    description = 'Creates patches between ports on a switch',
+)