Animate strokeStart and strokeEnd instead of rotating == crispier rendering.
Refactor customization methods.
Replace HUD view with UIView instead of UIToolbar.
Remove iOS 6 code.
Actually use SVProgressHUDForegroundColor.
Refresh hudView when setting SVProgressHUDBackgroundColor.
Fix bugs with global variables not sticking.
Make indefinite animation 1s instead of 2s.
Merge commit '079b5d7ba91e7a950af9b5a91aefafc37278888d'