Display days accommodation requested on
Fixing week calculation
Re-arranging accommodation options

Prior arrangement seemeed to trigger a lot of people to omit the option to host someone. This layout should hopefully make it more prominent, that if one doesn't need accommodation, they can still choose to host someone incoming.
Correcting finding checked dependencies

Prior version wasn't working when dependency was a set of radio fields, where the first one's value was always checked against. This one makes sure we're checking against the checked one's value - if any.
Merge branch 'accommodation-options'
Correcting copernicus options validation check