Divers have found human remains in the wreck of the Costa Concordia and will check whether they belong to the one person still unaccounted for 2 1/2 years after the luxury liner sank, Italian authorities said on Wednesday. Russel Rebello, an Indian who worked as a waiter on the ship when it hit rocks and sank off the Tuscan coast in January 2012, killing 32 people, is the only victim of the disaster whose body has not yet been found. Rebello's relatives have been informed of the findings on the third deck of the ship…