adds support for personnal data (#40)

* adds support for personnal data

* modifie le form pour inclure la nationalité

* supprime le champ section et ajoute la liste des etablissements

* adapts for user

* adds validation and connects to students api for personnal data

* adds classType field and rgpd info

* corrects scholarships

* removes signup file tab

* minor presentation changes

* deletes random console.log