Warwick Thornton, one of Australia’s leading filmmakers, is confirmed to direct “First Warrior,” an epic about Aboriginal resistance fighter Pemulwuy. The creative, on-screen and producing teams are equally stellar. 　　Australia was colonized in the late 1700s. Pemulwuy, a man of the Bidjigal tribes — from the region that is today modern-day Sydney — led a 12-year resistance again...