Make GradientMaskLayer inherit from CAGradientLayer, fixed SDK 8.0 compile problem
Make GradientMaskLayer inherit from CAGradientLayer, fixed SDK 8.0 compile problem

senselabs/mixpanel-iphone,senselabs/mixpanel-iphone,senselabs/mixpanel-iphone,senselabs/mixpanel-iphone,senselabs/mixpanel-iphone,senselabs/mixpanel-iphone