[gnome-shell] Non-fast-forward update to branch wip/sass

[Jakub Steiner <jimmac src gnome org>]

The branch 'wip/sass' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  b53e6cf... theme: login/shield in progress

Commits added to the branch:

  47a5fc2... theme: login & screen shield theming