[v3 patch] Add std::tr1::shared_ptr

[Benjamin Kosnik]

> If I'd realised "cvs add foobar" for a directory created the dir on the
> server end I wouldn't have done it (particularly as I don't know if the
> directory names I used for the testsuite are OK.) I thought it would
> be the same as "cvs add foobar" for a file, which only adds the file to
> your CVS/Entries file but doesn't change the master repository.

Jonathan, you are correct with your patch procedure. Indeed, there is no
way to do a correct patch without adding the directories. So, carry on.

Gimme a second to look at the rest of it.

-benjamin