Resize foregroundScrollView frame.

[markst]

When QMBParallaxScrollViewController's view frame changes the subviews do not update accordingly.

One solution is to update the foregroundScrollView's frame upon view frame observer change:

if ([keyPath isEqualToString:@"frame"]) [self.foregroundScrollView setFrame:(CGRect){{0,0},self.view.frame.size}];

or set the _foregroundScrollView's auto resizing mask

_foregroundScrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;