Fixed POCO
Added baseController + Inheritance

tout les controlleurs herite maintenant de baseController qui contient
les fonction pour gérer les alerts
Refactoring AdvertController
Refactoring EventController
Refactoring GroupController
Refactoring UsersController
Alerts Fonctionnelle
Users returnCode as static messages
Fixed overlapping
Authentication View
Basic Style on Auth View
Refactoring Advert Controllers (WIP)
baseController
Done
Fixed register regex
Done
NL EOF
NL EOF again
Merge Conflicts
Merge Conflicts