xamarin/Xamarin.Mobile — pull request #10 by jmezach (2013-07-26 07:10:15+00:00)
Title: Replaced AsyncCtpLibrary with Microsoft.Bcl.Async library

The Windows Phone 7.5 version of Xamarin.Mobile was dependent on the AsyncCtpLibrary. Since then Microsoft has released a new package on NuGet called Microsoft.Bcl.Async which is now the recommended package to use for async support in Windows Phone.