after: rails generate model user; rails generate controller users new; and altering db/migrate/xxxxx_create_users.rb. This commit is before doing rake db:create and rake db:migrate
After bundle exec rake db:create; bundle exec rake db:migrate;
users_controller: Creating actions new and create, as well as the view new.html.erb, and the views/layouts/application.html.erb, and also brought all the css and images from the rubysource tutorial, to make it beautiful.
Adding some validations to the User model
Adding bcrypt-ruby to Gemfile and updating User model, with methods to store the user's password with encryption.