[aur-dev] AUR 2.2.0 released

Changes since 2.1.0: * Email address validation during registration. * Track last login IP address in the user database. * Add a table that allows for banning IP addresses. * Use minified typeahead JS from archweb (fixes several typeahead bugs). You can check the Git log [1] for a complete list of commits. The official Arch Linux AUR setup [2] has already been upgraded! [1] https://projects.archlinux.org/aur.git/log/?id=v2.2.0 [2] https://aur.archlinux.org/