Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter . Get news about destinations, plus the latest in aviation, food and drink, and where to stay. CNN  —  In travel news this week: Why Thailand did a U-turn on legalizing marijuana, why the party might be over for Germany’s clubbing capital, plus more generous luggage rules are coming to European flights. EU hand luggage is about to get less confusing European lawmakers have voted to get rid of tricksy, confusing