Add RZProgressView as a drop-in replacement for UIProgressView.
Clarify naming of rounding method.
Remove dependence on an internal UIProgressView for accessibility.
Use property with lazy getter instead of dispatch_once. Fix comment on accessibilityTraits. Return 0% instead of 0.0% from accessibilityValue to match UIProgressView.
Smoother animations. Thanks, @ndonald2!
Fix a typo that I copy/pasted directly from the UIProgressView documentation.
Merge pull request #52 from Raizlabs/feature/zeisenberg/rzprogressview

Add RZProgressView as a drop-in replacement for UIProgressView.