Enable Swedish keyboard in non-Xubuntu too.
Enable week numbers.
Clean up extension installation instructions.
Enable normal Alt-Tab.
Install dependency to docker.
Disable some keyboard shortcuts.
Don't fail when schemas are missing.

For example when trying to set Unity specific keys in Ubuntu Gnome.
Rename gnome-shell script.

It can be run both from Unity, and from gnome-shell.
Refer to Ubuntu GNOME 14.04 on this branch.
Sleep works out of the box on Ubuntu GNOME 14.04,

so no need to disable nouveau.
Enable natural scrolling for Gnome.
Use deb sources from previous Ubuntu if necessary.