http://msdn.microsoft.com/en-us/library/dn408531.aspx
https://www.windowsazure.com/en-us/documentation/articles/cloud-services-dotnet-continuous-delivery/#step4
http://blogs.technet.com/b/canitpro/archive/2013/11/06/set-by-step-manage-windows-azure-using-powershell.aspx