docs: Update of copyright and license statement in all .hpp and .cpp files

Change-Id: I4082db67f2390482615a780d91a513f09d57a9a4
Refs: #1266
diff --git a/README-dev.md b/README-dev.md
index bf9771e..b4cba89 100644
--- a/README-dev.md
+++ b/README-dev.md
@@ -1,13 +1,36 @@
 Requirements
 ---------------------
 
-Include the following header into all .hpp and .cpp files:
+Include the following header into all `.hpp` and `.cpp` files:
 
-/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (C) 2014 Named Data Networking Project
- * See COPYING for copyright and distribution information.
- */
+    /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+    /**
+     * Copyright (c) 2014  Regents of the University of California,
+     *                     Arizona Board of Regents,
+     *                     Colorado State University,
+     *                     University Pierre & Marie Curie, Sorbonne University,
+     *                     Washington University in St. Louis,
+     *                     Beijing Institute of Technology
+     *
+     * This file is part of NFD (Named Data Networking Forwarding Daemon).
+     * See AUTHORS.md for complete list of NFD authors and contributors.
+     *
+     * NFD is free software: you can redistribute it and/or modify it under the terms
+     * of the GNU General Public License as published by the Free Software Foundation,
+     * either version 3 of the License, or (at your option) any later version.
+     *
+     * NFD 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 General Public License for more details.
+     *
+     * You should have received a copy of the GNU General Public License along with
+     * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+     ////// [optional part] //////
+     *
+     * \author Author's Name <email@domain>
+     * \author Other Author's Name <another.email@domain>
+     ////// [end of optional part] //////
+     **/
 
 Recommendations
 ---------------