Locale help:
General Guides:
http://halfahairwidth.blogspot.com/2009/09/how-to-install-xwiki-on-ubuntu.html http://crohr.me/journal/2014/postgres-rails-the-chosen-lc-ctype-setting-requires-encoding-latin1.html
Auth: http://jcg.wtf/blog/2015/02/xwiki-google-apps-authentication-with-nginx-and-lua/