Add gem.
* slim-rails
* bcrypt-ruby
migrate one_two
generate sessions controller
migration change up to change
add sessions#new resources route
app-layout change slim
create db one-two!
create signin page
improve login view
add field and actions class
modify bcrypt-ruby version
generete users model and controller
Implement flash-message area
Implement sign-up!
Add a UserController test
Implement Sign-in
implement current_user
Improve routing around session
Generate Welcomr page
Improve login redirected path to welcom#inde
Add a not null constraint users