OTTAWA, Ontario — It was a night of sticky ice, last-minute player signings and a small crowd. Such were the glitches when the NHL it made its debut 100 years ago. Now the world’s premier hockey league celebrated its centennial with an outdoor game Saturday night between the Montreal Canadiens and Ottawa Senators. The days of multimillion-dollar contracts, instant replays and Florida were a long way off when the four-team NHL’s first games took place on Dec.