README: Write a preliminary README file

Change-Id: I447d2db777277162957bb30ca1d4d24a45b85275
Refs: #3501
diff --git a/README-dev.md b/README-dev.md
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+Notes for nTorrent developers
+=============================
+
+Licensing
+---------
+
+Contributions to the library must be licensed under LGPL 3.0 or compatible license.  If
+you are choosing LGPL 3.0, please use the following license boilerplate in all `.hpp` and
+`.cpp` files:
+
+
+    /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+    /**
+     * Copyright (c) [Year(s)] [Copyright Holder].
+     *
+     * This file is part of nTorrent codebase.
+     *
+     * nTorrent library is free software: you can redistribute it and/or modify it under the
+     * terms of the GNU Lesser General Public License as published by the Free Software
+     * Foundation, either version 3 of the License, or (at your option) any later version.
+     *
+     * nTorrent library is distributed in the hope that it will be useful, but WITHOUT ANY
+     * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+     * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+     *
+     * You should have received copies of the GNU General Public License and GNU Lesser
+     * General Public License along with nTorrent, e.g., in COPYING.md file.  If not, see
+     * <http://www.gnu.org/licenses/>.
+     *
+     * See AUTHORS for complete list of nTorrent authors and contributors.
+     ////// [optional part] //////
+     *
+     * @author Author's Name <email@domain-or-homepage://url>
+     * @author Other Author's Name <another.email@domain-or-homepage://url>
+     ////// [end of optional part] //////
+     */
diff --git a/README.md b/README.md
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-nTorrent
+nTorrent: An application to provide BitTorrent-like functions in Named Data Networking (NDN)
+============================================================================================
+
+nTorrent is an NDN application to provide peer-to-peer file sharing functionality similar to
+BitTorrent in TCP/IP networks.
+
+Please submit any bugs or issues to the nTorrent issue tracker:
+http://redmine.named-data.net/projects/ntorrent/issues
+
+## More documentation
+
+Extensive documentation is coming soon!
+
+## License
+
+nTorrent is an open source project licensed under LGPL 3.0 license. For more information about
+the license, refer to [`COPYING.md`](https://github.com/spirosmastorakis/nTorrent/blob/master/COPYING.md).