Fix view to highlight mandatory fields
Merge pull request #103 from Selectra-Dev/103-highlighted-validations

rendre disponible un moniteur pour l'évaluation initiale
Removing v2 from the email links and assets (fix #113)
Fixing a translation
Giving operator the ability to see appointments (fix #109)
Fixing the offers select in offer_choice form (fix #114)
Fixing the email filter in admin grids
Adding a filter on full_name for students and instructors admin (fix #101)
Cleaning up the grids columns