The fall film festivals are not over. London is still underway and AFI FEST kicks off in Los Angeles on October 21. And Thursday night launched this year’s Middleburg Film Festival, a four-day fest set at BET co-founder Sheila Johnson’s posh Salamander resort in the rolling hills of Virginia outside of Washington, D.C., which has grown into a formidable regional film festival, alongside upcoming events like SCAD and Virginia. Baseball-capped “Th…