[aur-general] AUR upgraded to 2.2.0

The official Arch Linux AUR setup has been upgraded to 2.2.0. For a short list of changes, read [1]. If you experience problems during login, please also read [2]. Please report any further issues to the AUR bug tracker [3]. [1] https://mailman.archlinux.org/pipermail/aur-dev/2013-March/002469.html [2] https://mailman.archlinux.org/pipermail/aur-dev/2013-March/002464.html [3] https://bugs.archlinux.org/index.php?project=2