Release vibe.d 0.7.31

[Sönke Ludwig via Digitalmars-d-announce]

Am 12.04.2017 um 12:03 schrieb Martin Nowak:
> Thanks
>
> On Monday, 10 April 2017 at 20:48:34 UTC, Sönke Ludwig wrote:
>>   - Compiles on the latest DMD version (2.068.x-2.072.0)
>
> 2.068.x-2.074.0, that is
>

True, thanks for the notice!