Removed iterator_adaptor_pair_generator and

reverse_iterator_pair_generator (more such culling to come)

Improved comments

Changed all uses of std::iterator_traits as default arguments
to boost::detail::iterator_traits for improved utility in
non-generic contexts

Fixed naming convention of non-template parameter names


[SVN r9003]

libs/iterator

@@ -1 +1 @@
-Subproject commit 07482538edd7b62e98d30dba2fa9c135cd4a0799
+Subproject commit 6eeeb23332f1aa9328003a50dcb3bf35c7146cd8