GUI -- Beginnings of structure for topology Overlay API.
- Re-implemented RequestSummary / ShowSummary in Alt implementation.

Change-Id: Idb86c7bf3ede8f8815abcb488bbf9b0a7041ef79
diff --git a/core/api/src/main/java/org/onosproject/ui/RequestHandler.java b/core/api/src/main/java/org/onosproject/ui/RequestHandler.java
index 51a803a..efc9e93 100644
--- a/core/api/src/main/java/org/onosproject/ui/RequestHandler.java
+++ b/core/api/src/main/java/org/onosproject/ui/RequestHandler.java
@@ -56,6 +56,7 @@
      * @param sid message sequence identifier
      * @param payload request message payload
      */
+    // TODO: remove sid from signature
     public abstract void process(long sid, ObjectNode payload);