Initial commit
Add Boost libraries at version 1.55.0

It only includes the following libraries:

    array, bind, concept_check, config, detail, exception, foreach, function,
    function_types, functional, fusion, integer, iostreams, iterator, math,
    move, mpl, optional, predef, preprocessor, proto, range, regex, smart_ptr,
    spirit, static_assert, type_traits, typeof, utility, variant