docs: Update docs and add release notes

refs: #1923

Change-Id: I89968ef130e85068eb20cfd2b81e414a16d243b8
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+NLSR - Named Data Link State Routing Protocol
+=============================================
+
+NLSR is a routing protocol in NDN that populates NDN’s Forwarding Information Base. NLSR
+will continue to evolve alongside the Named Data Networking `protocol`_.
+
+NLSR is an open and free software package licensed under the GPL 3.0 license and free to
+all Internet users and developers. For more information about the licensing details and
+limitations, refer to `COPYING.md`_.
+
+NLSR is developed by the members of the `NSF-sponsored NDN project team`_. For more
+details, please refer to `AUTHORS.md`_. Bug reports and feedback are highly appreciated
+and can be made through the `Redmine site`_.
+
+The main design goal of NLSR is to provide a routing protocol to populate NDN’s FIB. NLSR
+calculates the routing table using link-state or hyperbolic routing and produces multiple
+faces for each reachable name prefix in a single authoritative domain. NLSR will continue
+to evolve over time to include neighbor discovery and to become a full fledged
+inter-domain routing protocol for NDN. The project design is presented in full detail
+in the `NLSR Paper`_.
+
+NLSR Documentation
+-------------------
+
+.. toctree::
+   :hidden:
+   :maxdepth: 3
+
+   RELEASE-NOTES
+   INSTALL
+   GETTING-STARTED
+   ROUTER-CONFIG
+   SECURITY-CONFIG
+
+-  :doc:`INSTALL`
+-  :doc:`GETTING-STARTED`
+-  :doc:`ROUTER-CONFIG`
+-  :doc:`SECURITY-CONFIG`
+-  :doc:`RELEASE-NOTES`
+
+Downloading
+---------------
+
+-  `Github NLSR repository`_
+
+Additional information
+----------------------
+
+-  `NLSR Wiki`_
+
+.. _protocol: http://named-data.net/doc/ndn-tlv/
+
+.. _Github NLSR repository: https://github.com/named-data/NLSR
+
+.. _NLSR Wiki: http://redmine.named-data.net/projects/nlsr/wiki/
+
+.. _COPYING.md: https://github.com/named-data/NLSR/blob/master/COPYING.md
+.. _NSF-sponsored NDN project team: http://named-data.net/project/participants/
+.. _AUTHORS.md: https://github.com/named-data/NLSR/blob/master/AUTHORS.md
+.. _Redmine site: http://redmine.named-data.net/projects/nlsr
+
+.. _NLSR Paper: http://conferences.sigcomm.org/sigcomm/2013/papers/icn/p15.pdf