docs: Updating documentation and license boilerplates in all files

Change-Id: I321fb0d85aaddf9150ed496fe03ee0e4dc738761
diff --git a/examples/producer.cpp b/examples/producer.cpp
index 9fe9cd6..d6ca248 100644
--- a/examples/producer.cpp
+++ b/examples/producer.cpp
@@ -1,8 +1,15 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 /**
- * Copyright (c) 2013-2014 Regents of the University of California.
- * @author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
- * BSD License, see COPYING for copyright and distribution information.
+ * Copyright (c) 2013-2014,  Regents of the University of California.
+ * All rights reserved.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * This file licensed under New BSD License.  See COPYING for detailed information about
+ * ndn-cxx library copyright, permissions, and redistribution restrictions.
+ *
+ * @author Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
  */
 
 // correct way to include ndn-cxx headers