If cafés around the world have only two things in common, they’re coffee and community. These little (and big) coffee shops and watering holes tend to become local cultural hubs -- places where locals and tourists alike can get together casually, recharge, study, read a book, or simply enjoy a sunny, comfortable space. It’s with that sense of community that we bring you some of the year’s hottest new café openings from Portland to Belgrade to London. Some are fancy, but most are casual. Some…