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

Change-Id: I4082db67f2390482615a780d91a513f09d57a9a4
Refs: #1266
diff --git a/wscript b/wscript
index 930317b..7003118 100644
--- a/wscript
+++ b/wscript
@@ -1,9 +1,27 @@
 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
-#
-# Copyright (c) 2014, Regents of the University of California
-#
-# GPL 3.0 license, see the COPYING.md file for more information
-#
+
+"""
+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/>.
+"""
 
 VERSION = '0.1.0'
 APPNAME = "nfd"