Created Review model and migration and added Gemfile lock to gitignore
Added fixtures for reviews and additional establishment fixtures
Created users
Added establishment id to reviews and indexed reviews on establishment id and user id
Made user belong to a base and reviews belong to a user and an establishment
Added shoulda-matchers gem to be able to test validations and relationships more easily
Added has_many reviews relationships for establishments and tested it
Added validations for presence of username and email on user and tested
Ensures that all users have unique usernames