[Bug 1074861] Add --no-use-wheel to peep deploys.

We should be sure this is the approach we want to take. I didn't remove the hashes for the wheel files from the peep requirements file. Mainly because I don't know which is which, and also because I suspect we might allows wheels in the future eventually.

r?
The links should be like:

```
`this Peep issue <https://github.com/erikrose/peep/issues/50>`_
```