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

...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/class/class_db_pdo.php

modules/attachments/Models/AttachmentsModelAbstract.php

modules/visa/Controllers/VisaController.php

package.json

sql/160_to_170.sql