Merge pull request #1 from samvermette/master

update to samvermette:master
Implemented motion effect
Motion Effect

Implemented in hudView accessor
Updated screenshots
Added SVProgressHUDDidReceiveTouchEventNotification to README
Introduced SVProgressHUDParallaxDepthPoints constant
Add missing contentsScale for retina
Merge pull request #222 from pronebird/master

Add missing contentsScale for retina
Merge pull request #209 from mbigatti/master

Added Parallax Effect
Ring layer refactoring
Merge pull request #223 from pronebird/master

Ring layer refactoring
New progress style for iOS 7.
Convert to auto-synthesize.
Remove UIAppearance and a bunch of other < iOS 7 stuff.
Expose some properties.
Fix cut off label string.
Animate strokeStart and strokeEnd instead of rotating == crispier rendering.
Refactor customization methods.
Replace HUD view with UIView instead of UIToolbar.
Remove iOS 6 code.