Added a separate layer to MRActivityIndicatorView to draw the animated arc
Fixed typo in documentation
Animate MRCircularProgressView based on CABasicAnimation instead of CADisplayLink
Change only shapeLayer's frame in MRActivityIndicatorView's layoutSubviews

This can be done due to changes by e1eea5b728b38753cf0d2b4b0a01054e18f8363e.
Extracted stop button from MRCircularProgressView
Extracted stop button specific properties to protocol MRStopableView
Min changes

Pragma marks
Implemented MRStopableView for MRActivityIndicatorView
Show stop button for activity indicator in Example app
Support access to stop button in MRProgressOverlayView
Add social_media_url to podspec
Added constructor with param for stopBlock for convenience
Added may stop examples to Example app
Fixed bug in MRCircularProgressView

Was introduced by 0076f92c1cf61971b79c5995bd5e1e4547649105.
Occurs when an animation is still running, and another progress is applied animated.
Fixed bad indentation
Updated README
Use single back ticks for inline code in README
Added animated gif of MRCircularProgressView to README
Added switch for mayStop in Example app for activity indicator
Added animated gif of MRActivityIndicatorView to README