[patch] Preprocessorised tr1::tuple

[Benjamin Kosnik]

> I *certainly* won't be tackling docs until my day job calms down and I
> get the shared_ptr copyright issues resolved. btw, shall I commit the
> two patches at these URLs or wait for the copyright issues to be cleared
> up?  The first one is essential and the second one IMHO a good idea:
> http://gcc.gnu.org/ml/libstdc++/2005-02/msg00185.html
> http://gcc.gnu.org/ml/libstdc++/2005-02/msg00187.html

These are fine.

-benjamin