(Reuters) - A former Rutgers University student convicted of bias crimes for using a webcam to spy on his gay roommate's sexual encounter was released from a New Jersey jail on Tuesday after serving 20 days of his 30-day sentence. Dharun Ravi, 20, looking unshaven, left the Middlesex County jail shortly after 8:30 a.m. EDT (1230 GMT) accompanied by his attorney. They left from a side exit and avoided a throng of media that was awaiting his release. Ravi received a 10-day credit for good behavior, allowing him to leave after serving 20 days of his 30-day sentence imposed by...