It was expected that the Venice Film Festival would program two films from controversy-courting directors this year, Roman Polanski’s “The Palace” and Woody Allen’s “Coup de Chance,” already predicted for the event running August 30 through September 9. And what’s also expected is the inevitable mix of backlash and appreciation for including the auteurs, who in European countries fare better than in the United States and often comfortably find distribution for new work.