Disk and container formats for images in virtualmachineimageguide - missing ploop disk format

[Matt Riedemann]

- [x] This is a doc addition request.

The image API says that 'ploop' is a supported disk format since Ocata:

https://developer.openstack.org/api-ref/image/v2/index.html?expanded=show-image-detail

But it's not on the https://docs.openstack.org/image-guide/image-formats.html page.

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Release: on 2019-03-19 12:48:14.476294
SHA: ff09c2fff0082293a3a94f6616ab5d5412a5c79d
Source: https://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/image-guide/source/image-formats.rst
URL: https://docs.openstack.org/image-guide/image-formats.html

[Andreas Jaeger (jaegerandi)]

Change I63cfd8ce29a78433923d517bf27539ff8524d732 is merged, this is fixed.