Vacation time!
Vacation time!

August is coming and various restaurants will close for vacation all
around us. Lunchbot can handle this now and won't display suggestions
of closed restaurants to not give us false hope and inevitable making
us hunt it with pitchforks.

Signed-off-by: Patrick Kontschak <6924110cde4fa051bfdc600a60620dc7aa9d3c6a@fuf.de>

pk-fuf/lunchbot,pk-fuf/lunchbot,pk-fuf/lunchbot