generate welcome index controller
Edit index view and set root to index
generate articles controller
add new article view
edit new view to have form
define create action for new articles
generate article model
Add Article views and actions to controller
finish basic article views and links
add title validation and error check
finish basic validation for article title field
add edit + update actions to controller + create edit view
add partial for form + edit views to use partial
add destroy action and view link
add comment model + associate comments to articles
add comment controller and edit views to show comments
refactor comments views to use partials
add delete comment methods and views