Updated database adapter to use postgreSQL. See https://devcenter.heroku.com/articles/sqlite3
Generated schema along with fix for failed push to heroku. See http://stackoverflow.com/a/15385365/2800961
Using Figaro gem for application config.
Removed old config code and duplicated code in controllers.
Served yelp logo asset properly.
Added JSON rendering of cuisines at base URL. Minor style change in restaurant view.
Added partial form template for creating and editing lists. Added edit list view and changed new list view accordingly.
Created edit and update actions in list controller.
Put edit link in table of lists and put back link in show view.