js2-mode is no longer developed and we recommend js-mode these days,
so switch the modelines to specify that, and make them consistent
across all files.
https://bugzilla.gnome.org/show_bug.cgi?id=660358
This commit adds the ability to log in with a fingerprint instead
of a password (assuming the user is enrolled and fingerprint
isn't disabled via gsettings)
https://bugzilla.gnome.org/show_bug.cgi?id=657823