Improving init ordering.
Adding determinateTweenTime property.
Improving comments.
Renaming TRADITIONAL_MODE to TRADITIONAL_INDETERMINATE.
Improving Start/Stop button behavior.
Refactoring into “-initialOpacityForFinAtIndex:”
Adding INDETERMINATE_FADE_ANIMATION.
Refactoring into “-initWithIndeterminateCycleDuration:determinateTweenTime:”.
Cleanup.
Improving comment.
Slowing down indeterminate animation in demo.
Improving updatePieChartDimensionsForGeometry().
Improving design of determinate progress indicator.
Mixing type of opacity values.
Using _fullOpacity as default for the determinate progress shape layers.
Renaming _fadeDownOpacity to _indeterminateMinimumOpacity.
Cleaning up properties.
Removing TRADITIONAL_INDETERMINATE.
Removing TRADITIONAL_DETERMINATE.
Exposing determinateProgressOpacity.