**breaking** mini-ndn: re-design

refs: #5062

Everything is now done through examples like Mininet.
bin/minindn no longer provided as a binary installed in the system
bin/minindnedit GUI: will no longer be maintained
Remove cluster edition, will be re-introduced later

Change-Id: Id4ef137cb2a04d1b0dd24d01941757363bbf7d26
diff --git a/docs/hackathon.rst b/docs/hackathon.rst
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+Past NDN Hackathon projects
+===========================
+
+- 1st NDN Hackathon: `NFD integration test <http://ndncomm.github.io/mini-ndn/>`_.
+- 2st NDN Hackathon: `Mini-NDN metrics <https://github.com/2nd-ndn-hackathon/mini-ndn-metrics>`_.
+- 3rd NDN Hackathon: `Mini-NDN cluster <https://github.com/3rd-ndn-hackathon/mini-NDN-cluster>`_.
+- 4th NDN Hackathon: `Mini-NDN wifi <https://github.com/4th-ndn-hackathon/Mini-NDN-Wi-Fi>`_.
+- 7th NDN Hackathon: `Mini-NDN documentation <https://github.com/7th-ndn-hackathon/mini-ndn-documentation>`_.
+