Moved to much cleaner system of using BOOST_TT_BROKEN_COMPILER_SPEC

for handling vc6/7 deficiencies with iterator_traits.

Fixed a bug in iterator_facade which was causing incomplete types to
be passed through is_convertible.

Reinstated libs/utility/iterator_traits_test.cpp


[SVN r19840]

reverse_iterator_example.cpp

@@ -9,16 +9,7 @@
 #include <boost/iterator/reverse_iterator.hpp>
 #include <boost/detail/iterator.hpp>
 
-#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-namespace boost { namespace detail
-{
-  template <>
-  struct iterator_traits<char*>
-      : ptr_iter_traits<char>
-  {
-  };
-}}
-#endif 
+//boost::detail::iterator_traits
 int main(int, char*[])
 {
   char letters_[] = "hello world!";