Fix suggestions for missing imports // code-d 0.15.0 & workspace-d 2.9.1 released

[Anonymouse via Digitalmars-d-announce]

On Tuesday, 13 December 2016 at 21:12:24 UTC, Anonymouse wrote:
> What am I doing wrong?

Sorted it out over IRC, it seems the extension is disabled if you 
only open discrete files and not folders.

https://github.com/Pure-D/code-d/issues/62