Dollywood’s Great Pumpkin LumiNights, one of the region’s premier harvest-time events, has been nominated as part of USA Today’s 10Best Readers’ Choice travel awards for Best Theme Park Halloween Event. The contest, which now is live, runs through Monday, Aug. 26 at noon ET. Winners will be unveiled on Friday, Sept. 6.    Dollywood’s Harvest Festival presented by Humana (Sept. …