ONOS Swagger Plugin

just does swagger now
to build the plugin, you need to download to following:
https://github.com/bocon13/buck/releases/download/v2016.07.29.01-wip/buck.jar

put the buck.jar in tools/build/buck-plugin/lib

Change-Id: Id1b833dd013fbc5581f8e884e755920829c4a17e
diff --git a/apps/dhcp/app/BUCK b/apps/dhcp/app/BUCK
index df15319..a045587 100644
--- a/apps/dhcp/app/BUCK
+++ b/apps/dhcp/app/BUCK
@@ -16,4 +16,9 @@
     deps = COMPILE_DEPS,
     test_deps = TEST_DEPS,
     web_context = '/onos/dhcp',
+    api_title = 'DHCP Server App',
+    api_version = '1.0',
+    api_description = 'REST API for DHCP Server App',
+    api_package = 'org.onosproject.dhcp.rest',
+    debug = False
 )