Backport important bug fixes from 3.x
* Sat Apr 15 2017 Kevin Kofler <Kevin@tigcc.ticalc.org> - 2.4.6-2
- Backport fix for the displaymanager module (Python exception with SDDM)
- Backport fix for non-Latin1 user names and passwords
- default-settings: comment out unneeded and problematic "sudoersGroup: wheel"