Storage Client Library 6.2.0

All: Refreshed ASP.NET 5 targets to work with latest RC bits (DNX Core 5.0, rc1).
•All: The dnx and net target frameworks have been unified, and DNXCore target framework has been renamed to Dotnet5.4. All DNX4.5.1 projects will take a dependency on the regular Windows Desktop dll.
•All: Fixed bug that caused issue with Windows Phone 8.1 Apps.
•Tables: Added overloads to retrieve API that don't include the optional selectedColumns param to maintain backwards compatibility.
•Tables: Fixed bug where creating a table with an EncryptionPolicy set resulted in an exception.