Article Review: Migrating from std.date to std.datetime [final version]

[Jonathan M Davis]

I created a pull request for the most recent version: https://github.com/D-
Programming-Language/d-programming-language.org/pull/10

So, hopefully it ends up on d-programming-language.org before too long.

And if you don't want to build d-programming-language.org yourself, you can 
grab it from here: http://is.gd/roLvbu

I made just a few final tweaks to it - though that does include retitling it 
to "Introduction to std.datetime" on the theory that most of it is applicable 
and useful even if you've never used std.date. I tweaked a few things in the 
article to match that, but most of the std.date migration stuff was already in 
a section at the end anyway, so I really only made some minor adjustments.

- Jonathan M Davis