Options d'affichage de l'index des formations (#651)

assets/sass/_theme/blocks/programs.sass

assets/sass/_theme/sections/diplomas.sass

assets/sass/_theme/sections/locations.sass

assets/sass/_theme/sections/programs.sass

config.yaml

i18n/en.yml

i18n/fr.yml

i18n/pt.yml

layouts/locations/term.html

layouts/partials/blocks/templates/programs.html

layouts/partials/commons/image.html

layouts/partials/locations/diplomas.html

layouts/partials/locations/program.html

layouts/partials/persons/person.html

layouts/partials/programs/children.html

layouts/partials/programs/list.html

layouts/partials/programs/presentation.html

layouts/partials/programs/program.html

layouts/partials/programs/programs-list.html

layouts/partials/programs/programs.html