v49

archiso:
* add accessibility support for run_archiso and the releng profile
* remove build.sh functionality from profiles
* add documentation on how to create profiles
* enable non-mkinitcpio based hosts to build images
* extend profiledef.sh by settings for image type and image creation options
* ensure to be able to re-run more steps
* do not require root for mkarchiso help output
* add squashfs-tools and udftools to the releng profile
* add basic bootloader capabilities for UEFI to the baseline profile
* update mkinitcpio.conf to be in sync with mkinitcpio 29

parabolaiso:
* don not get $arch from environment in mkparabolaiso
* remove talkingparabola profile
-----BEGIN PGP SIGNATURE-----

iQEzBAABCgAdFiEEbbnEtPDYwNxDLPbkInynxVayungFAl+vItAACgkQInynxVay
ung/bQgAhEwUAIZ5GfVC7BWGTCucfHhqsQGN9tdK9HuI674t+CuC1aigVidasqJ0
4EGjUcEooSyvguxHHuuzT7buN5bENspFCnM2PjMUusuRPfNT8wJV2Xbnecj94v5H
mi7hIY8F9K4SjdlQYsdHtNrzvBo7DZlD2ZXpe5+d2v48A0IYNJO/MgrDLwOf1p3h
zMoggUKsNm+05FNQFhfoxh9vdaADFniUt52/bQkyKBDZao/lhECoNLYTWIclVOo5
Hoc8v49HAnPGHrLwEMZ+x1PsNLvdb0Ufd/wMjP5BEy1uOjQ+QHAnmmvEVqOduVmd
80JD43L9IBdgi/vKItwnij9ByRWp4Q==
=BPuA
-----END PGP SIGNATURE-----