DENVER — Five in a row. Colorado State (21-3,11-3) extended its winning streak to five on Thursday night with a 83-68 victory over New Mexico (11-15, 3-9) in Albuquerque, N.M. The Rams trailed by 2 at halftime (42-40) and there were 19 lead changes in total. At the 12:12 mark of the second half, though, the game completely flipped in favor…