Adding othe requirements for django site

gunicorn and bootstrap toolikit
fixing text one site

I don't work with gcode now, jsut s3g
Also change the quote at the bottom.

gcode support may be re added in the future, I think the maker_driver
class supports it, I just don't see the point since it easy for the user
to generate the s3g.  This also more closely mimics the existing
workflow for the end users.