v1.6.6

- grub, syslinux: remove parameter 'ip=dhcp' from rescue_remote.cfg
- power: drop legacy power management use/power/apm
- docs: readlink before copy license file
- plymouth: do not add loglevel=3 to BOOTARGS
- deflogin: add workaround for fix add user, when fwupd is installed
- live, image.in: use function for get lists from groups (for live)
- alt-server: add commits for 11.0ALPHA2
- alt-workstation: fix build