public function postChangedeadline()
 {
     $year = Input::get("year");
     $month = Input::get("month");
     $date = Input::get("date");
     $deadline = $year . "/" . $month . "/" . $date;
     $result = DBDeadlineController::setDeadline($deadline);
     if ($result) {
         return View::make("G1SAS/adminpage")->with('title', "Deadline changed successfully");
     } else {
         return View::make("G1SAS/adminpage")->with('title', "Deadline was not changed successfully");
     }
 }