add ability for users to signup
add user session persistence
add helper methods to application controller
add invoices - model view controller
add specific signup forms for athletes, affiliates, practitioners
Added logout
Add additional fields to users controller - affiliates, athletes, practitioners
add mailboxer, stripe gems
add initializers for stripe, mailboxer
add plans - model view controller
add subscriptions - model controller
add payments  -- controller, views, model
add login
add services - controller, views, model
Add recipients - views, model, controller
add js for stripe
Add views for emails
add another stripe field to user
add mailboxer with migrations
Add shared folder for view partials