docs: Add mailing list to README

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 ### What is Mini-NDN?
 
 Mini-NDN is a lightweight networking emulation tool that enables testing, experimentation, and
-research on the NDN platform. Mini-NDN is based on [Mini-CCNx](https://github.com/chesteve/mn-ccnx)
-which is a fork of [Mininet](https://github.com/mininet/mininet).
-Mini-NDN uses the [Named Data Networking Forwarding Daemon (NFD)](https://github.com/named-data/NFD)
-and the [Named Data Link State Routing Protocol (NLSR)](https://github.com/named-data/NLSR) to
-emulate an NDN network on a single system.
+research on the NDN platform. Based on [Mini-CCNx](https://github.com/chesteve/mn-ccnx) which
+is a fork of [Mininet](https://github.com/mininet/mininet), Mini-NDN uses the NDN libraries,
+NFD, NLSR, and tools released by the [NDN project](http://named-data.net/codebase/platform/)
+to emulate an NDN network on a single system.
 
 Mini-NDN is open and free software licensed under the GPL 3.0 license. Mini-NDN is free to all
 users and developers. For more information about licensing details and limitations,
 please refer to [COPYING.md](COPYING.md).
 
-Mini-NDN is developed by members of the NSF-sponsored NDN project team. For more details,
-please refer to [AUTHORS.md](AUTHORS.md).
+The first release of Mini-NDN is developed by members of the NSF-sponsored NDN project team.
+Mini-NDN is open to contribution from the public.
+For more details, please refer to [AUTHORS.md](AUTHORS.md).
 Bug reports and feedback are highly appreciated and can be made through our
-[Redmine site](http://redmine.named-data.net/projects/mini-ndn).
+[Redmine site](http://redmine.named-data.net/projects/mini-ndn) and the
+[mini-ndn mailing list](http://www.lists.cs.ucla.edu/mailman/listinfo/mini-ndn).
 
 ### Documentation