Thousands of employees have walked through the gates of Seaworld over the last six decades.But onlyonecan say she's been here since the very beginning. And that's Charline Manzano, who goes by Charli.She's been the friendly receptionist greeting employees at the administration building.But her SeaWorld story started long before that. She began working there 62 years ago, a week before the park officially opened.And when she wants to take a trip …