Revert "Removed some files so that we could create them in class"

This reverts commit dbc0a067b6f6fd00f308a0fae61a0989d5d6726d.
Changed settings to turn off debug in production site
Changed static file server
Static files now being served from S3
background pic serving correctly
Changed to gunicorn for server
changed requirements.txt to reflect addition of gunicorn
removed requirements so that everything will be fresh in class