Add sequel gem
Add sinatra-contrib for reloader function
Add database adapters for development, production

* sqlite for development

* postgres for production / heroku
Create simple database for familiarity
Update gem file
Convert csv for import to sqlite

* Remove header row

* Change price to integer values

* Fix missing columns on line 19,20

* Add id column
Create sqlite3 database with products table
Discard old products.db
Point to new novocoffee db

* Require sequel gem

* Connect to db

* Grab some basic information
Merge pull request #18 from bayendor/explore_sequel_db

Add SQL db connectivity