'Wraps the specified xml in an xml root element with default azure
namespaces'

@staticmethod
def doc_from_xml(document_element_name, inner_xml, xmlns='http://schemas.microsoft.com/windowsazure'):

    xml = ''.join(['<', document_element_name, '    xmlns="{0}">'.format(xmlns)])
    xml += inner_xml
    xml += ''.join(['</', document_element_name, '>'])
    return xml
