Better docs for D (WIP)

[Nordlöw via Digitalmars-d-announce]

On Tuesday, 5 January 2016 at 15:43:30 UTC, Nordlöw wrote:
> This is awesome! I warmly welcome this approach. I just got a 
> comment from a newbie D developer fellow who commented on the 
> current unpleasant doc formatting of templated headers.

The mouse-over behaviour of CT- and RT-parameters is just really 
really cool! Thanks!