[phobos] Time to get ready for the next release

[Jonathan M Davis]

> It's now been two months since the last release, and there have been
> huge compiler improvements.
> Note also that there were a couple of very bad regressions in 2.052,
> so I think we really need a release ASAP.
> We've now achieved minimal stability again (all green on the auto-tester).
> 
> Here's the things which are blockers for the next release:
> 
> From the compiler side:
> * struct destruction of temporaries (seems like we have a chance of
> fixing this soon)
> * fixing the regressions from my CTFE/const folding changes (Fixes are
> here: https://github.com/D-Programming-Language/dmd/pull/37).
> * a few things haven't been backported to D1 yet
> druntime:
> * clean up Windows DLL support
> phobos:
> * nothing that I know of
> 
> Looks as though will be time to get std.parallelism in. But otherwise,
> if you have anything you'd like to get into the next release, please
> indicate so now.

I just put in a pull request for some fixes to std.datetime which should go in 
before the next release.

- Jonathan M Davis