      - Parameter tx: Translation distance along the x axis
      - Parameter ty: Translation distance along the y axis
      */
-    func translateFrame(tx tx: CGFloat = 0, ty: CGFloat = 0) {
+    public func translateFrame(tx tx: CGFloat = 0, ty: CGFloat = 0) {
         var frame = self.frame
         frame.origin.x = frame.origin.x + tx
         frame.origin.y = frame.origin.y + ty

     - Parameter duration: The duration of the animation
     - Returns An `Animation` that can be chained or altered.
     */
    func fadeOut(duration duration: NSTimeInterval = Animation.defaultAnimationDuration) -> Animation {
        return animate(duration: duration) {
            self.alpha = 0.0
        }

     - Parameter sx: Scale factor in the x dimension
     - Parameter xy: Scale factor in the y dimension
     */
    public func scale(sx sx: CGFloat, sy: CGFloat) {
        self.transform = CGAffineTransformScale(self.transform, sx, sy)
    }
    
