Set default xdg-open applications.
Add packages.
Move bluetooth stuff to notebook packages.
Sort packages.

Python snippet:
>>> packages="nvidia opencl-nvidia networkmanager network-manager-applet samsung-tools xf86-input-synaptics bluez bluez-libs bluez-utils gnome-bluetooth"
KeyboardInterrupt
>>> packagestring="nvidia opencl-nvidia networkmanager network-manager-applet samsung-tools xf86-input-synaptics bluez bluez-libs bluez-utils gnome-bluetooth"
>>> packages=packagestring.split()
>>> print(" ".join(sorted(set(packages))))
bluez bluez-libs bluez-utils gnome-bluetooth network-manager-applet networkmanager nvidia opencl-nvidia samsung-tools xf86-input-synaptics