Add boolean for subscription status to UserForm
Store initial subscription request status
Set subscription status
Include subscription status in registration form
Add subscription checkbox to registration form
Move registration info into its own class
Scrap UserRegistration in favor of PotentialNewUser
Call method to subscribe a user to mailing list if requested
Rename method for clarity
Set mailchimp config variables
Subscribe to MailChimp ist
Remove subscription from registration
Subscribe when user confirms registration
Add some logging
Put checkbox label in its place