Exposed line width and border width on MRCircularProgressView
Code style

Use spaces instead of tabs and separate pragma marks by two empty lines
Remove double layer property initialization
Be implementation agnostic about shapeLayer

Don't assume that layer is the same as shapeLayer
Get rid of the ivars

Proxy also the getter for lineWidth and borderWidth to shapeLayer
Merge pull request #44 from mrackwitz/fix/36_additional_exposed_properties

Fix #36: Additional exposed properties