FEAT #7983 Get document content + refactoring

apps/maarch_entreprise/Views/profile.component.html

apps/maarch_entreprise/Views/signature-book.component.html

...aarch_entreprise/Views/user-administration.component.html

apps/maarch_entreprise/class/class_lists_Abstract.php

...aarch_entreprise/indexing_searching/loadFiveLastMails.php

apps/maarch_entreprise/smartphone/load_user_signatures.php

apps/maarch_entreprise/smartphone/signature_main_panel.php

rest/index.php

src/app/resource/controllers/ResController.php

src/app/resource/models/ResModelAbstract.php

src/app/user/controllers/UserController.php