The replacement referees were competent. Carlos Boozer heard cheers from the crowd. Those were the two things to take away from the Jazz's preseason opener Thursday, a game that should best be forgotten by lunch Friday.    With overseas trips, the Jazz and the Nuggets played their first preseason game less than a week after opening training camp. Neither Kenyon Martin nor J.R. Smith played for Denver, so be careful about putting too much stock in the Jazz&...