ENH: add boost fusion directory, needed by boost specialfunctions

Utilities/BGL/boost/fusion/adapted.hpp

Utilities/BGL/boost/fusion/adapted/array.hpp

Utilities/BGL/boost/fusion/adapted/array/array_iterator.hpp

Utilities/BGL/boost/fusion/adapted/array/detail/at_impl.hpp

...ties/BGL/boost/fusion/adapted/array/detail/begin_impl.hpp

...GL/boost/fusion/adapted/array/detail/category_of_impl.hpp

Utilities/BGL/boost/fusion/adapted/array/detail/end_impl.hpp

...GL/boost/fusion/adapted/array/detail/is_sequence_impl.hpp

...es/BGL/boost/fusion/adapted/array/detail/is_view_impl.hpp

...ities/BGL/boost/fusion/adapted/array/detail/size_impl.hpp

...s/BGL/boost/fusion/adapted/array/detail/value_at_impl.hpp

Utilities/BGL/boost/fusion/adapted/array/tag_of.hpp

Utilities/BGL/boost/fusion/adapted/boost_tuple.hpp

...boost/fusion/adapted/boost_tuple/boost_tuple_iterator.hpp

...s/BGL/boost/fusion/adapted/boost_tuple/detail/at_impl.hpp

...GL/boost/fusion/adapted/boost_tuple/detail/begin_impl.hpp

...st/fusion/adapted/boost_tuple/detail/category_of_impl.hpp

.../BGL/boost/fusion/adapted/boost_tuple/detail/end_impl.hpp

...st/fusion/adapted/boost_tuple/detail/is_sequence_impl.hpp

.../boost/fusion/adapted/boost_tuple/detail/is_view_impl.hpp