Added support for more of the traits members where possible, making this useful

as a replacement for std::iterator_traits<T> when used as a default template
parameter.


[SVN r9002]

libs/detail

@@ -1 +1 @@
-Subproject commit ddccb755f4c04bb23c709ca6aa07ec918bda87ea
+Subproject commit a7ae27dc5b96828b2f68a969991040ae259b4266