Fixes #33155 - Drop Spice XPI support

This plugin is no longer maintained and relied on Xulrunner support in
Firefox. That means that with Firefox 60 or newer it's broken.

Fixes #2170 - Support custom AWS EC2 tags

Fixes #31946 - support for S390x

On S390 kernel and initramdisk are at a different path and with different names: images/kernel.img and images/initrd.img. Foreman operating system model must reflect that in order to download Anaconda installer to TFTP.

Co-authored-by: Ewoud Kohl van Wijngaarden <ewoud@kohlvanwijngaarden.nl>

Fixes #31883 - Validate compute attributes before API creation

Fixes #28311 - use publicURL in openstack resource

It used to be publicURL by default but now fog uses adminURL for some
endpoints. The openstack compute resource does not work if this url is
not accessible from the foreman server.

Fixes #30834 - Add support for vnic profile

Fixes #30835 - ovirt Filter SD by data and volume

Fixes #30793 - Remove API v3 from fog-ovirt

Fixes #30552 - Fix vmware vm cloning when volumes are not present

Fixes #28484 - Pass hostname to GCP API