src: Update copyright notices for files modified in 2015

refs: #2398

Change-Id: I83b7ad4da70cf784aa478295a873bf6411428acb
diff --git a/src/communication/sync-logic-handler.cpp b/src/communication/sync-logic-handler.cpp
index 4725c9b..705a721 100644
--- a/src/communication/sync-logic-handler.cpp
+++ b/src/communication/sync-logic-handler.cpp
@@ -1,7 +1,8 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014  University of Memphis,
- *                     Regents of the University of California
+ * Copyright (c) 2014-2015,  The University of Memphis,
+ *                           Regents of the University of California,
+ *                           Arizona Board of Regents.
  *
  * This file is part of NLSR (Named-data Link State Routing).
  * See AUTHORS.md for complete list of NLSR authors and contributors.
@@ -16,10 +17,8 @@
  *
  * You should have received a copy of the GNU General Public License along with
  * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
- *
- * \author A K M Mahmudul Hoque <ahoque1@memphis.edu>
- *
  **/
+
 #include "sync-logic-handler.hpp"
 
 #include "common.hpp"