Add copyrights.

smtk/bridge/polygon/internal/Util.h

+//=============================================================================
+// Copyright (c) Kitware, Inc.
+// All rights reserved.
+// See LICENSE.txt for details.
+//
+// This software is distributed WITHOUT ANY WARRANTY; without even
+// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+// PURPOSE.  See the above copyright notice for more information.
+//=============================================================================
 #ifndef __smtk_bridge_polygon_internal_Util_h
 #define __smtk_bridge_polygon_internal_Util_h
 

smtk/common/testing/cxx/unitUnionFind.cxx

+//=============================================================================
+// Copyright (c) Kitware, Inc.
+// All rights reserved.
+// See LICENSE.txt for details.
+//
+// This software is distributed WITHOUT ANY WARRANTY; without even
+// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+// PURPOSE.  See the above copyright notice for more information.
+//=============================================================================
 #include "smtk/common/UnionFind.h"
 
 #include <iostream>