Use https: for wikipedia links

[Ola Fosheim Grøstad via Digitalmars-d]

On Monday, 14 December 2015 at 21:56:29 UTC, Walter Bright wrote:
> Another advantage is that we'll know which sites support 
> https:. I did some experimenting and was surprised at how few 
> news sites support it, for example.

https makes it impossible to use shared local caches (proxy), 
there is extra processing costs and if you embed content from 
other providers they might not provide https (which results in 
ugly warnings in browsers).