Add complex choices for concerned people types, update csv and print, #275

assets/css/app.scss

config/domain/registry/translations/messages.fr.yaml

config/domain/registry/validation/treatment.yaml

fixtures/2-registry-2-treatment.yaml

migrations/Version20200409132217.php

src/Domain/Admin/Cloner/TreatmentCloner.php

...in/Registry/Calculator/Completion/TreatmentCompletion.php

src/Domain/Registry/Form/Type/TreatmentType.php

src/Domain/Registry/Model/Treatment.php

...ymfony/Validator/Constraints/TreatmentConcernedPeople.php

...lidator/Constraints/TreatmentConcernedPeopleValidator.php

src/Domain/Reporting/Generator/Csv/TreatmentGenerator.php

src/Domain/Reporting/Generator/Word/TreatmentGenerator.php

src/Infrastructure/ORM/Registry/Mapping/Treatment.orm.xml

templates/Registry/Treatment/_form.html.twig

templates/Registry/Treatment/show.html.twig

templates/_Utils/form_theme.html.twig

tests/Domain/Admin/Cloner/TreatmentClonerTest.php

tests/Domain/Registry/Form/Type/TreatmentTypeTest.php

tests/Domain/Registry/Model/TreatmentTest.php