guidelines for using boost code

[Benjamin Kosnik]

> Yes, that's much clearer about where the code is from ... thanks for
> that.  My only concern is whether it should be boost_shared_ptr.h rather
> than boost_memory.h, but that's not very important.

How about boost_smart_pointers.h? (Since there's weak_ptr too.)

> I assume no-one's contacted the original authors?  I'll send them a
> mail, explaining what the FSF's decisions was and under what terms we're
> using the code (and that we don't need to ask them for assignments)

Not for this code. I talked to Jeremy.

-benjamin