minor_changes:
  - na_ontap_igroup - new option ``os_type`` to replace ``ostype`` (but ostype is still accepted).
  - na_ontap_lun - new option ``os_type`` to replace ``ostype`` (but ostype is still accepted), and removed default to ``image``.
  - na_ontap_lun - new option ``san_application_template`` to create LUNs without explicitly creating a volume and using REST APIs.