Fix ModemManager path

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2608 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Remove uneeded lockfiles, tweak legacy.conf to not set lock owner to non existing group

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2609 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
waylandloginmanager: show the timer for autologin sessions too.

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2610 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9