Adds additional logic to the Rev link display
Adds additional logic to the Rev link display

- Now the "revision" link only appears in a Prod env when the SHA file is
  present. It is otherwise not rendered.
- In the Development environment "Development" still appears in its place.

CorWatts/emotionalcheckin,CorWatts/fasterscale,CorWatts/emotionalcheckin,CorWatts/fasterscale,CorWatts/fasterscale,CorWatts/emotionalcheckin