public function run()
 {
     DB::table('menus')->delete();
     DB::table('dish_menu')->delete();
     DB::table('recommendations')->delete();
     $menu = new Menu();
     $menu->menu_date = "2014-03-30";
     $menu->save();
     foreach (Dish::all() as $dish) {
         $menu->dishes()->save($dish);
     }
     $menu = new Menu();
     $menu->menu_date = "2014-04-23";
     $menu->save();
     foreach (Dish::all() as $dish) {
         $menu->dishes()->save($dish);
     }
     $recommendation = new Recommendation();
     $recommendation->menu_id = 1;
     $recommendation->recommendation = "Today, we has abcxyz for menu 1";
     $recommendation->save();
     $recommendation = new Recommendation();
     $recommendation->menu_id = 2;
     $recommendation->recommendation = "Today, we has abcxyz for menu 2";
     $recommendation->save();
 }