add meta_request
add ajax delete, ajax update, jquery addclass attribute
add custom styles, require custom.css
generate projects controller, add crud actions
generate tasks controller, add crud actions, completed action
generate project model, add has_many and through associations
generate task model, add has_many association and protected attributes
move projects list to partial
move tasks list to partial, add task form
delete tasks/new.html.erb
add nested routes, remove commented lines
add completed boolean
generate project and task migrations, create views and join table