Create "widget" with categories
Add flash messages
Prettify adverts page
Install Draper
Decorate Advert and create advert show page
Little refactoring
Creating new advert
Create admin list
Add user validation to advert
Add User to seeds
Add ability to see only my adverts
Add admin link to navigation bar
Redesign admin index page
Create 'new' admin page
Create "create" action for admin
Create updating adverts
Create adverts destroying