For more than 20 years, Greg and Jean Remer have attended the city’s annual tree lighting celebration, Silver and Snowflakes Festival of Lights, in downtown Carson City with their five children. “We just love it,” Jean Remer said. “And even though they’re grown, every single one of them wants to get a glimpse of Santa.”Mayor Bob Crowell welcomed the crowd Friday to the annual festivities on an unseasonably warm evening. “What a great community we have here,” he said. “This is how we do it.”His remarks came just after Mark Twain fifth-grader Josephine Payan lit up the state’s two trees, …