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>

Refs #32372 - correct remaining paths

bb4633bcd4facc339a8099f4a8e89312323d8b61 refactored the atomic kickstart but
used an incorrect path for logs in the %pre section. This corrects it.

Fixes #32372 - Correct path for logs in kickstart

bb4633bcd4facc339a8099f4a8e89312323d8b61 refactored the kickstart but
used an incorrect path for logs in the %pre section. This corrects it.

Fixes #31743 - Template macro install_packages (#8298)

For package installation on supported OS families: Red Hat, Debian & Suse.
In host registration users can now install packages
by setting the `host_packages` parameter.

Also if a snippet `host_init_config_post` is defined, it gets added to the registration script.

Fixes #32092 - add puppet safe guard

Hides puppetserver and puppet environment behind macros, that can alter
implementation much more easily and even be patched from plugin.

Fixes #31750 - :foreman_server_ca_cert macro & not existing file (#8294)

Fixes #31064 - sequence helper macro (#8072)

Fixes #31758 - Unterminated single quote in chainloader pxeboot template breaks grub2 parser

Changes wording from can't to cannot to remove unterminated single quote.

fixes #31633 - Introducing format_time macro

There is no way how to show Unix timestamp in pretty way in reports. This macro solves the problem.

Fixes #31573 - drop IPAPPEND2 and use BOOTIF with 01 prefix