By Kanishka Singh WASHINGTON (Reuters) -A man convicted in 2010 of plotting to blow up New York City synagogues and a Jewish community center, and shoot down military planes, was ordered to be released from prison by a judge who said the defendant was part of a group manipulated by the FBI. Four men, who became known as the “Newburgh Four,” were caught up in a scheme in 2009 to attack the synagogues and community center, and launch stinger missiles at military aircraft, driven by what the judge describes as overzealous FBI agents and an “unsavory” confidential informant. U.S. District Judge Co…