Ajout birthdate
Ajout de la date de naissance à l'espace utilisateur
add entities
Merge branch 'feature/sami' into dev

Conflicts:
	src/User/Bundle/Entity/User.php
Merge branch 'feature/rouksana' into dev
Override profiletype et template
Merge branch 'feature/anne' into dev

Conflicts:
	src/User/Bundle/Entity/User.php
remove firstName and lastName
update relation
add inrithance
add Trident
add validation entity
add constraint user
fix css