Add verbose error output on student booking dashboard
Fix code coherence
Move input checks and add internal error locale key
Merge branch 'master' into issue-24-errors
Merge branch 'master' into issue-24-errors
Add Acceptance tests for student's new_driving_lesson action
Add Acceptance tests for student initial evaluation/code tests
Modify factories to add functionalities
Fix indentation, code style and accessors

Fix indentation

Forgot to indent using spaces
Fix typo
Fix indentation error
Merge pull request #55 from Selectra-Dev/issue-24-errors

Add verbose error output on student booking dashboard