Merge branch 'develop' of labs.maarch.org:maarch/MaarchCourrier into develop

...maarch_entreprise/js/angular/app/Views/signatureBook.html

...rch_entreprise/js/angular/app/signature-book.component.js

...rch_entreprise/js/angular/app/signature-book.component.ts

apps/maarch_entreprise/js/angular/main.bundle.min.js

core/Controllers/ResController.php

core/Models/ResModelAbstract.php

modules/sendmail/mail_form.php

modules/sendmail/mail_form_to_contact.php

rest/index.php