[docs] Second round of edits to the production setup docs. (#67)
[docs] Second round of edits to the production setup docs. (#67)

* [docs] Second round of edits to the production setup docs.

* More changes + some formatting fixes.

* Remove weird "in environment" as per comment from Oliver

google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz