boost → v1 Relation

File in msgpack/adaptor/boost	Includes file in msgpack/v1
fusion.hpp	adaptor / boost / fusion.hpp
msgpack_variant.hpp	adaptor / boost / msgpack_variant.hpp
msgpack_variant_decl.hpp	adaptor / boost / msgpack_variant_decl.hpp
optional.hpp	adaptor / boost / optional.hpp
string_ref.hpp	adaptor / boost / string_ref.hpp
string_view.hpp	adaptor / boost / string_view.hpp