Updated iOS Unified API Support
This compiles against the Xamarin.iOS 8.6.x series of Unified API which will be released on January 5th, at which time, all submitted components supporting this version series will be approved for same day support.
Fixed path to Xamarin.iOS 64 sample reference
Fixed duplicate imports in iOS Playground .csproj
Merge pull request #112 from Redth/master

Updated iOS Unified API Support