Black Cat Photo: Carlos Avila Gonzalez/The Chronicle Related Links The 22 biggest restaurant openings of the first half of 2016 Swanky Black Cat supper club opens in the Tenderloin While the first half of 2016 had restaurant openings aplenty, July was marked with a case of the mid-summer humdrums. Here are six notable standouts amid the month’s sluggishness: Black Cat Last week’s opening of the new Tenderloin supper club was perhaps the most ambitious restaurant launched in July. The team behind the project, which is meant to capture the spirit of the the jazz and supper clubs that were popular in the neighborhood in the 1950s and 1960s, is New York