Rename app / lib
Add rakefile for kitt
Teacher guidelines food repository
Test SQL design exercise
Merge pull request #17 from lewagon/refactor-active-record-exercises

Test SQL design exercise
Merge pull request #16 from lewagon/teachers-guidelines-food-delivery

Teacher guidelines food repository
Check schema exploration of Jukebox
Tests finished for first day of DB
Update specs for 03
New specs for last exercises of first DB day
Some info about the db argument
Better link to SQL Join doc
Merge branch 'master' of github.com:lewagon/promo-4-challenges