Fix BookableHours.fits_period at midnight
Fix BookableHours.fits_period at midnight

DirkHoffmann/indico,ThiefMaster/indico,indico/indico,mic4ael/indico,mic4ael/indico,pferreir/indico,mvidalgarcia/indico,DirkHoffmann/indico,DirkHoffmann/indico,OmeGak/indico,ThiefMaster/indico,indico/indico,OmeGak/indico,mvidalgarcia/indico,DirkHoffmann/indico,pferreir/indico,OmeGak/indico,pferreir/indico,pferreir/indico,indico/indico,OmeGak/indico,mvidalgarcia/indico,indico/indico,ThiefMaster/indico,mic4ael/indico,ThiefMaster/indico,mic4ael/indico,mvidalgarcia/indico