Release D 2.077.0

[Seb]

On Friday, 3 November 2017 at 14:00:38 UTC, Arun Chandrasekaran 
wrote:
> Mike, thanks for the blog post. Few lines about how the name 
> mangling issue was addressed would've been interesting know on 
> the blog.

The regarding main PR contains a lot of info: 
https://github.com/dlang/dmd/pull/5855
For example, some quick stats on the reduced size of Phobos:

https://github.com/dlang/dmd/pull/5855#issuecomment-315565256