create tweet partial
markup application.html.erb
render tweet partial
markup tweets/_form
define favorite_button helper and call it
rename application.js to coffee, and load bootstrap
design UI
tweet default scope includes :favorite, :user
rails g controller
implement user#index
define route for users_controller
upgrade users#index view
add header
rails g model
rake db:migrate
associate user with follow
define app/controllers/follows...
define follows#create
define routes for follow
add link to follow