Merge pull request #1416 from noesya/better-agenda-block

app/models/communication/block/component/event.rb

app/models/communication/block/template/agenda.rb

app/models/communication/block/template/agenda/element.rb

app/models/communication/website/agenda/event.rb

...dmin/communication/blocks/components/event/_edit.html.erb

...dmin/communication/blocks/components/event/_show.html.erb

...n/communication/blocks/components/event/_snippet.html.erb

...in/communication/blocks/components/event/_static.html.erb

...dmin/communication/blocks/templates/agenda/_edit.html.erb

...in/communication/blocks/templates/agenda/_static.html.erb

...admin/communication/websites/agenda/events/_list.html.erb

config/locales/communication/contents/en.yml

config/locales/communication/contents/fr.yml

config/locales/communication/en.yml

config/locales/communication/fr.yml