Updating <condition_variable>

[Paolo Carlini]

Hi,
> No real plans to begin working on condition_variable_any (at least, I
> haven't made any progress, nor will I have time to commit until the
> new year). I haven't reviewed n3000 recently either.
>   
Ok, I'll see what I can do over the next 1-2 weeks or so. If you can
have a look to n3000 and at least double check what I will be doing it
would be great.
> On a somewhat related note, I do have an old <mutex> fix however for
> the generic try_lock (removing the tuple usage, on failure it should
> only unlock those that it successfully locked). Been trying to get my
> dev. environment back up to snuff to run regression tests and will
> submit as soon as they pass (very soon).
>   
Welcome, of course.

Thanks
Paolo.