FEAT #7737 Templates Get + clean db

modules/entities/entity_del.php

modules/entities/param_templates_entities.php

modules/entities/xml/IVS/requests_definitions.xml

modules/entities/xml/IVS/validation_rules.xml

modules/templates/choose_template.php

modules/templates/class/class_modules_tools_Abstract.php

modules/templates/class/templates_controler_Abstract.php

rest/index.php

sql/data_fr.sql

sql/develop.sql

sql/reinit_sequences.sql

sql/structure.sql

src/app/docserver/models/DocserverModelAbstract.php

src/app/entity/controllers/EntityController.php

src/app/template/controllers/TemplateController.php

src/app/template/models/TemplateAssociationModel.php

src/app/template/models/TemplateAssociationModelAbstract.php

src/app/template/models/TemplateModelAbstract.php