Fix #456 - PreBarrage: export all results

src/app/app.component.ts

src/app/calculators/prebarrage/en.json

src/app/calculators/prebarrage/fr.json

src/app/components/field-set/field-set.component.ts

...pp/components/fixedvar-results/fixed-results.component.ts

...p/components/generic-calculator/calculator.component.html

...app/components/generic-calculator/calculator.component.ts

src/app/components/param-link/param-link.component.ts

src/app/results/calculator-results.ts

src/app/results/var-results.ts

src/app/services/formulaire.service.ts

src/app/services/internationalisation.service.ts

src/app/util.ts

src/locale/messages.en.json

src/locale/messages.fr.json