Initial draft to add reviews for real exams
Add waiting list for real exams
Fix some typos + naming conventions
Fixing the text a students sees when there is no offer (fix #94)
Merge branch 'master' into 80-real-exam-validation

Conflicts:
	db/schema.rb
Merge pull request #80 from Selectra-Dev/80-real-exam-validation

validation examen réel code et conduite