v1.6.8
- lib/{distro,ve,vm}.mk: add branding notes with licenses
- x11: fix condition for kde on p11
- x11: exclude nvidia-xconfig
- live: add mokutil, pesign for rescue mode on x86_64
- education: add latests commits from cas@, fix build on p11
- kworkstation: add latests commits from zerg@, fix build on p11
- alt-server: add latests commits from jqt4@