Address field + submit buttons are in
Button works and sends an AJAX request with data and everything.
Merge branch 'master' into adding-address

* master:
  [#69043846] Set up different configurations, controlled by environment variable, defaulting to dev.

Conflicts:
	main.py
Add shell endpoint that takes data
Server now errors on empty address also.
Some pep8 cleanup
Add Molly's wonderful design work
Slight test refactor
CSS coding style changes.
Refactor success/error messaging, plus some style cleanup
Some HTML changes
Merge pull request #3 from codeforamerica/adding-address

Adding address field, including tests, and Molly's lovely design work.