Imported using git-ubuntu import.
Changelog parent: fa8d0b12937ae8d3770c74bb32b568c615faaa83
New changelog entries:
* live-build/ubuntu-touch/includes.chroot/etc/lightdm/lightdm.conf.d/
90-phablet.conf:
- don't use deprecated "[SeatDefault]" syntax
* live-build/ubuntu-desktop-next/includes.chroot/usr/share/lightdm/
lightdm.conf.d/90-desktop-next-autologin.conf:
- let desktop-next autolog to the ubuntu user session
