WindowsAzure/azure-sdk-for-node — pull request #1123 by szarkos (2014-01-15 21:12:00+00:00)
Title: Support CustomData

As of the latest fabric update a new element called "CustomData" can be
defined for the Windows/Linux Provisioning Configuration data:
http://msdn.microsoft.com/en-us/library/windowsazure/jj157194.aspx

Per the API documentation, we must also update the API version to
2013-10-01 to set the CustomData element.