Indonesia has granted clemency to a Canadian teacher convicted of sexually abusing students, an official said on Friday, in a case that critics say was riddled with irregularities and threw a spotlight on the Southeast Asian country’s justice system.Neil Bantleman and Indonesian teaching assistant Ferdinand Tjiong were convicted in 2014 on charges of abusing kindergarten students at the Jakarta Intercultural School, where the children of many expatriates, diplomats and wealthy Indonesians are…