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

Change-Id: I4082db67f2390482615a780d91a513f09d57a9a4
Refs: #1266
diff --git a/tests/core/version.cpp b/tests/core/version.cpp
index fb551e3..ee29615 100644
--- a/tests/core/version.cpp
+++ b/tests/core/version.cpp
@@ -1,8 +1,26 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (C) 2014 Named Data Networking Project
- * See COPYING for copyright and distribution 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/>.
+ **/
 
 #include "core/version.hpp"
 #include "core/logger.hpp"
@@ -19,7 +37,7 @@
 BOOST_AUTO_TEST_CASE(Version)
 {
   NFD_LOG_INFO("NFD_VERSION " << NFD_VERSION);
-  
+
   BOOST_CHECK_EQUAL(NFD_VERSION, NFD_VERSION_MAJOR * 1000000 +
                                  NFD_VERSION_MINOR * 1000 +
                                  NFD_VERSION_PATCH);
@@ -28,11 +46,11 @@
 BOOST_AUTO_TEST_CASE(VersionString)
 {
   NFD_LOG_INFO("NFD_VERSION_STRING " << NFD_VERSION_STRING);
-  
+
   BOOST_STATIC_ASSERT(NFD_VERSION_MAJOR < 1000);
   char buf[12];
   snprintf(buf, sizeof(buf), "%d.%d.%d", NFD_VERSION_MAJOR, NFD_VERSION_MINOR, NFD_VERSION_PATCH);
-  
+
   BOOST_CHECK_EQUAL(std::string(NFD_VERSION_STRING), std::string(buf));
 }