removed less() function from policies
policies now operate on whole adaptors rather than Base types

svn path=/branches/iterator_adaptor_update/boost/boost/counting_iterator.hpp; revision=11377
changed named parameters, still need to add suppose for no template part. spec.

svn path=/branches/iterator_adaptor_update/boost/boost/iterator_adaptors.hpp; revision=11416
towards a fix

svn path=/branches/iterator_adaptor_update/boost/boost/iterator_adaptors.hpp; revision=11536
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svn path=/branches/iterator_adaptor_update/boost/boost/iterator_adaptors.hpp; revision=11537