ADD : missing boost headers

Utilities/BGL/boost/algorithm/minmax.hpp

Utilities/BGL/boost/algorithm/minmax_element.hpp

Utilities/BGL/boost/algorithm/string.hpp

Utilities/BGL/boost/algorithm/string/case_conv.hpp

Utilities/BGL/boost/algorithm/string/classification.hpp

Utilities/BGL/boost/algorithm/string/compare.hpp

Utilities/BGL/boost/algorithm/string/concept.hpp

Utilities/BGL/boost/algorithm/string/config.hpp

Utilities/BGL/boost/algorithm/string/constants.hpp

Utilities/BGL/boost/algorithm/string/detail/case_conv.hpp

...ties/BGL/boost/algorithm/string/detail/classification.hpp

Utilities/BGL/boost/algorithm/string/detail/find_format.hpp

...ies/BGL/boost/algorithm/string/detail/find_format_all.hpp

...s/BGL/boost/algorithm/string/detail/find_format_store.hpp

...ities/BGL/boost/algorithm/string/detail/find_iterator.hpp

Utilities/BGL/boost/algorithm/string/detail/finder.hpp

Utilities/BGL/boost/algorithm/string/detail/finder_regex.hpp

Utilities/BGL/boost/algorithm/string/detail/formatter.hpp

...ies/BGL/boost/algorithm/string/detail/formatter_regex.hpp

Utilities/BGL/boost/algorithm/string/detail/predicate.hpp