Location map, and stuff (#2416)

...s/images/communication/blocks/templates/locations/map.png

app/helpers/admin/osuny_helper.rb

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

app/views/admin/communication/blocks/edit.html.erb

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

app/views/admin/communication/websites/pages/_form.html.erb

.../communication/websites/portfolio/projects/_form.html.erb

app/views/admin/communication/websites/posts/_form.html.erb

app/views/admin/communication/websites/show.html.erb

config/locales/communication/contents/en.yml

config/locales/communication/contents/fr.yml