Fix scale in/out animations on iOS 7.
Merge pull request #2 from samvermette/master

Merge upstream changes
Make ring layer work again, and customize it for iOS 7
Use preferred font when available
Added simple #ifdef to allow building against older SDKs
Merge pull request #193 from getaaron/master

Fixes ring layer and customizes it for iOS 7.
Merge pull request #196 from michalzelinka/master

Added simple #ifdef to allow building against older SDKs
Potentially fix #190.
Update project settings.
Fix bad assumption: UIApplication's delegate does not always respond to -window. The method is @optional.
Merge pull request #203 from adamjernst/master

Fix bad assumption: UIApplication's delegate does not always respond to -window
Merge branch 'master' of https://github.com/samvermette/SVProgressHUD