The script input-wacom-dkms will download the input-wacom drivers from the website and install them in the system using dkms.
The same script can be used to uninstall and revert all the changes.
The script toggle-wacom-touchring-mode.py can be used to change profiles for the Wacom ring behaviour.
Read the following thread in ubuntuforums for installation instructions: http://ubuntuforums.org/showthread.php?t=2267029&p=13238773#post13238773