[wip] tabs - visual selecting works
one tab working
starred tab kinds working
simple assigning workcamp to an apply form works
correctly detecting assigned wcs in the starred tab
display payments in the apply_form
email helper
payment in the AF listing
optimizations
optimizing apply_form listing
slightly fixing date formatting
[wip] payments backend
[wip] payments listing
'year' parameter is application wide
listing payments by year

not dry at all
polishing payment view (save does not work)
updating payment from inside the AF
country select in workcamp screen (not really working)