message: Update comment in Sidre's CMakeLists regarding usage of boost.
diff: @@ -19,8 +19,8 @@ if(NOT CONDUIT_FOUND)
  message(FATAL_ERROR "Sidre requires Conduit. Set CONDUIT_DIR to location of a Conduit install.")
  endif()
  -# Note: sidre depends on boost OR C++11 b/c USE_UNORDERED_MAP is defined in DataGroup.hpp
  -
  +# Note: Sidre's unordered_map is either sparsehash OR C++11's unordered_map
  +# Default to std::map and warn if neither is available
  if(NOT SPARSEHASH_FOUND)
  if(NOT CMAKE_CXX_STANDARD EQUAL 11)
  if(NOT CMAKE_CXX_STANDARD EQUAL 14)
  