Add User model and migrate db
Add associations between booking and user
Add user column to bookings
Validate name is supplied
Add valid and invalid factory
Add simple model specs
Add name uniqueness validation and test
Create / find each user and associate a booking with them
Add Skippers to index view. Homepage shows a list of bookings feature now passing
Edit feature. List only future bookings to come in another story.
Update the create booking feature scenario
Update the create booking feature scenario
Comment out legacy step definition. Make a start on user authentication.