Fixed copyright dates across all files.

refs: #3736

Change-Id: Ibe089fd2e8c4ddc8a4c68d073b435f7d3060d1a4
diff --git a/src/adjacent.hpp b/src/adjacent.hpp
index d12d553..da8aa93 100644
--- a/src/adjacent.hpp
+++ b/src/adjacent.hpp
@@ -1,7 +1,7 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014  University of Memphis,
- *                     Regents of the University of California
+ * Copyright (c) 2014-2016,  The University of Memphis,
+ *                           Regents of the University of California
  *
  * This file is part of NLSR (Named-data Link State Routing).
  * See AUTHORS.md for complete list of NLSR authors and contributors.