Applied changes r58876, r59133, r59134, r59628, r60078, r60079, r60126, r60127, r60196, r60197, r60198, r60365, r60366, r60384, r60385, r60472, r60485, r60610, r60611, r60651, r60769, r60770, r60899, r60900, r60916, r60919, r60920, r60958, r60998, r60999, r61000 from trunk, except for changes to <boost/detail/algorithm.hpp> which are waiting for Boost.Range algorithms to be merged; added find_if to <boost/detail/algorithm.hpp>