This commit was manufactured by cvs2svn to create branch
'iter-adaptor-and-categories'.

svn path=/branches/iter-adaptor-and-categories/boost/development/iterator/; revision=10453
simplified named parameters mechanism

svn path=/branches/iter-adaptor-and-categories/boost/boost/iterator_adaptors.hpp; revision=10455
moved to this branch from development directory

svn path=/branches/iter-adaptor-and-categories/boost/libs/iterator/; revision=10460