Upgrade underlying NFD/ndn-cxx to version 0.6.5

Change-Id: If83629472f737c017bbd9109fe814a5d5ecc44d4
diff --git a/README.md b/README.md
index 883b7ae..b667af9 100644
--- a/README.md
+++ b/README.md
@@ -7,22 +7,22 @@
 went through extensive refactoring and rewriting.  The key new features of the new
 version:
 
-- Packet format changed to [NDN Packet Specification](http://named-data.net/doc/ndn-tlv/)
+- [NDN Packet Specification](http://named-data.net/doc/NDN-packet-spec/current/)
 
 - ndnSIM uses implementation of basic NDN primitives from
   [ndn-cxx library (NDN C++ library with eXperimental eXtensions)](http://named-data.net/doc/ndn-cxx/)
 
-  Based on version `0.6.0`
+  Based on version `0.6.5`
 
 - All NDN forwarding and management is implemented directly using source code of
   [Named Data Networking Forwarding Daemon (NFD)](http://named-data.net/doc/NFD/)
 
-  Based on version `0.6.0`
+  Based on version `0.6.5`
 
 - Allows [simulation of real applications](http://ndnsim.net/guide-to-simulate-real-apps.html)
   written against ndn-cxx library
 
-- Requires a modified version of NS-3 based on version `ns-3.27-22-g90fb309d5`
+- Requires a modified version of NS-3 based on version `ns-3.29`
 
 [ndnSIM documentation](http://ndnsim.net)
 ---------------------------------------------