Santa report

Preview it here: https://www.youtube.com/watch?v=s62ebPSYvek
Or here: https://asciinema.org/a/14999
Or here:

![capture d ecran 2014-12-24 a 11 37 37](https://cloud.githubusercontent.com/assets/327237/5547794/692e836c-8b61-11e4-93a2-2712e7a4fa0c.png)

To use it, add these lines to your configuration file:

```php
$stdout = new \mageekguy\atoum\writers\std\out;
$santa = new \mageekguy\atoum\reports\realtime\santa;

$script->addReport($santa->addWriter($stdout));
```