含有按钮的ScrollView在iOS8中无法滚动的解决办法 | ScrollView with UIControl/UIButton subviews not scrollable under iOS 8

origin：http://stackoverflow.com/questions/26008559/scrollview-with-uicontrol-uibutton-subviews-not-scrollable-under-ios-8

这样设置就可以了：

Searched for a while and got this issue fixed by

scrollview.panGestureRecognizer.delaysTouchesBegan = YES;

1	scrollview.panGestureRecognizer.delaysTouchesBegan = YES;