Merge pull request #33 from julienwidmer/patch-1

Use of unresolved identifier 'kCAFillModeForwards'

Author: cruisediary

Pastel/Classes/PastelView.swift

@@ -103,7 +103,7 @@ open class PastelView: UIView {
         let animation = CABasicAnimation(keyPath: Animation.keyPath)
         animation.duration = animationDuration
         animation.toValue = currentGradientSet()
-        animation.fillMode = kCAFillModeForwards
+        animation.fillMode = .forwards
         animation.isRemovedOnCompletion = false
         animation.delegate = self
         gradient.add(animation, forKey: Animation.key)