Refactor buck external dependencies

Change-Id: Ia4b99493407eb7d4e893804cba6b944f758f085e
diff --git a/apps/castor/BUCK b/apps/castor/BUCK
index 1a3342a..ff3eb9d 100644
--- a/apps/castor/BUCK
+++ b/apps/castor/BUCK
@@ -1,5 +1,7 @@
 COMPILE_DEPS = [
   '//lib:CORE_DEPS',
+  '//lib:JACKSON',
+  '//lib:KRYO',
   '//core/api:onos-api',
   '//lib:javax.ws.rs-api',
   '//lib:jersey-server',