Rebase to 0.6.0.4
* Remove obsolete fedora-packager-setup (tmz)
* Drop mercurial formatting from .gitignore (tmz)
* Fix for rhbz #1412260 (sergio)
* Option for the mode_yubikey_otp must be bytes and not string. (cverna)
Signed-off-by: Mohan Boddu <mboddu@bhujji.com>