Require iOS > 7.0 to use game center login
User RoundedRect button for iOS 6 compatibility
Reference string length as method
Update to HEAD of Stripe
Check iOS version in c# before trying GC login
Merge branch 'master' into SupportiOS6

Conflicts:
	ExampleApp/Assets/Game/Entrypoint.cs
updating unity package
Not sure about this commit... might need to back this one out