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
Update podspec to 1.0.
Update deployment target to 6.0.
resolves #215. weakSelf not required. Using `self` here will not create a retain cycle as `self` here does not retain the animation block.
Merge pull request #216 from ehuynh/master

resolves #215
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
Merge pull request #2 from samvermette/master

Update from SV Master