Add new links, replace old (/contact & /about) with named routes. NOT WORKING: registration#edit
Fix registration#edit.  For some reason, 'cancel my account' button was generated *incorrectly* found error and fixed it.
Clean up Devise forms with Bootstrap.
Clean up 'Alerts' by adding given code.
Create devise_helper.rb.  Use given code to clean up error messages.
When creating a new account, or editing it, allow user to include their name.  Using migration generator, add :name to Users table.  B/c of StrongParameters, explicitly allow :name field data in model (application_controller.rb, not a specific model).  Include 'Name' field in 2 views: new.html.erb and edit.html.erb in registrations directory.
sign_up not working on Heroku.  Remove new :name field for testing.
Works when removed :name field from registrations/new.html.erb (was not a problem with edit -- even tested adding name in edit and everything fine) Reverting to version with :name field.