A lawsuit filed Tuesday in Greene County Circuit Court by Greenetrack shareholders claims management and directors used money improperly. According to the Tuscaloosa News, the suit filed on behalf of four minority shareholders alleges money was used for trips to Las Vegas, a Caribbean island and President Barack Obama's inauguration in Washington, D.C. The suit also claims Luther Winn Jr., CEO and president of Greenetrack, used funds to buy a Toyota Corolla and Toyota Highlander for friends, along…