Loancity.com used the Mortgage Bankers Association annual convention at Disney World this week as sort of a coming out party. Although the company has been around since 1987, it has spent the last two years shunning the spotlight. The wholesaler has been quietly revamping its technology and the way it conducts business, founder and CEO Rick Soukoulis told us during an interview in the bustling rotunda of Disney’s Dolphin Convention Center. …