Show past events in desc order when future events less then 12.
Show past events in desc order when future events less then 12.

The first query returns max 12 events that will happen in near future, starting
from now. The second query returns max 12 (decreased by events from the first
query) which already passed. Results are sorted by recently passed.

Signed-off-by: Mariusz Fik <e22610367d206dca7aa58af34ebf008b556228c5@fidano.pl>

Fisiu/calendar-oswiecim,hackerspace-silesia/calendar-oswiecim,firemark/calendar-oswiecim,hackerspace-silesia/calendar-oswiecim,firemark/calendar-oswiecim,firemark/calendar-oswiecim,Fisiu/calendar-oswiecim,Fisiu/calendar-oswiecim,hackerspace-silesia/calendar-oswiecim