Bugfix - fix always disabling control alt delete on EL 6
Fix up krud00x's work
Merge pull request #76 from ghoneycutt/fix_logic_bug

Bugfix - fix always disabling control alt delete on EL 6
Release v2.4.1 - bugfix!

With 2.4.0 EL 6 would always disable control-alt-delete
Merge pull request #78 from ghoneycutt/single_user_mode

Single user mode
Release v2.5.0 - Can require password in single user mode on EL 5