Visitors at this year’s Thursday Night Market in Grass Valley should expect to find a marked increase in the number of local and food-related vendors. “People wanted it to be more of a hometown event,” said Julia Jordan, executive director of the Grass Valley Downtown Association, which organizes the Thursday Night Market. Where last year’s markets had approximately 25 percent local vendors, the downtown association is hoping to entice locals to make up 90 percent of this year’s market, Jordan said. “It is an absolutely drastic change,” Jordan said. In that transition, many of the informational booths for private and …