Justin Bieber found guilty of assault, careless driving

Rich Fury/Invision/AP Justin Bieber performs at Wango Jazz 2015 at StubHub Focal point on May 9 in Carson, Calif.

Justin Bieber got slapped with a modest fine and absolute discharge for two charges he racked up in his native Canada.

The 21-year-ancient pop star appeared in a Stratford courtroom via video on Thursday and pled…