KRISTEN Stewart is using Taylor Lautner to make Robert Pattinson jealous — it has been claimed.According to American tabloid the National Enquirer, Stewart is getting sick of Pattinson’s excuses and boozy behavior so is trying to teach the hunky Brit a lesson. “Kristen is sick of Rob’s boozing, and she hates that he insists on keeping their love affair under wraps,” dished one loose-lipped insid…