Ensure even a greater level of quiteness when --quiet is used in deps

Before (on deps.get --quiet):

```
==> project
* Compiling project_p1
==> project_p2
* Compiling project_p1
* Compiling project
* Compiling project
==> project_p3
* Compiling project_p1
* Compiling project
* Compiling project
==> project_p4
* Compiling project_p1
* Compiling project
* Compiling project
==> project_p5
* Compiling project_p1
* Compiling project
* Compiling project
```

Now:

(empty)