message: Add copyright to boost helper script.
diff: # Help CMake find recent Boost MSVC binaries without manual configuration.
  +#
  +# Original Author:
  +# 2014-2016 Ryan Pavlik <ryan.pavlik@gmail.com>
  +#
  +# Copyright Sensics, Inc. 2014-2016.
  +# Distributed under the Boost Software License, Version 1.0.
  +# (See accompanying file LICENSE_1_0.txt or copy at
  +# http://www.boost.org/LICENSE_1_0.txt)
  +
  if(MSVC)
  if(NOT DEFINED Boost_USE_MULTITHREADED)
  set(Boost_USE_MULTITHREADED ON) # Most common ABI
  