Fix Pixelation on Retina Devices

Add contentScale override for CALayer, which should in theory fix the pixelation and blurriness on retina screens.

Version 1.1.1

Fix non-public delegate

• Fix dumb mistake where I forgot to make delegate property public, thus inaccessible

Version 1.1.0

Add delegate for UICircularProgressRingView

• Added delegate file with completion function
• Add delegate property to UICircularProgressRingView
• Update documentation inside UICircularProgressRingView
• Put iOS target to 9.0
• Rerun Jazzy for documentation generation
• Update podspec
• Update README

Version 1.0.0

Hugh Mungus changes

• Refactor code into two separate files (UICircularProgressRingView, and UICircularProgressRingLayer)
• Fix animation, now works smoothly both increasing and decreasing
• More stability in terms of not causing a crash due to RunLoop
• More documentation
• ITS READY

Version 0.9.6

• Remove TestSpace.storyboard (was unused)
• Update README and podspec

Version 0.9.5

• Removed delegate file
• Added closure to setProgress(_:) function
• Fixed bad logic on my part when detecting end of animation
• Closure will now be called whether valueLabel is active or not

Initial Release

• IB Designable
• CocoaPods and Carthage Support
• No critical bugs
• 96% Code documentation