WindowsAzure.Storage depends on Microsoft.Data.OData, which in turn depends on System.Spatial, which isn't available for NET 3.5 projects.
Meh.
Comments: The reason "this problem should disappear"? To quote the 15.1 release notes: "Support for .NET 3.5 has been dropped.". Yay. Not.
Meh.
Comments: The reason "this problem should disappear"? To quote the 15.1 release notes: "Support for .NET 3.5 has been dropped.". Yay. Not.