Updated track/progress to use CAShapeLayers; refactored as layout function rather than draw function. Animated.
Refactored calls as layout not draw, updated labels on style changes, updated demo project, code cleanup.
Merge branch 'feature/animated-track-and-progress' into develop
Fixed missing outlets in ipad demo, added valueText to setProgress.
Refactored tint color updates out of layout call.
Updated line widths to be editable. Fixed bug with disappearing track.
Merge branch 'feature/user-editable-line-widths' into develop
Fixed label layouts for better visual arrangement.
Merge branch 'feature/revise-label-layouts' into develop
Implemented checkmark appearing on 100% completion with animation. User-specified line width.
Added bool check for displaying completion checkmark, making it optional.
Merge branch 'feature/checkmark-on-percentage-completion' into develop
Updated demo with instructions and colouring.
Merge branch 'develop', resolves #1, #3, #4