Thought you might be interested in this news:
http://www.enternet.org/3543418/apple-incorporates-cherokee-languag...
Lauri - the complete language list s here: http://wiki.tr8n.org/index.php?title=Tr8n_Languages
Geni supports them all, - there are already people working with translations on some of the languages not in the list you linked to above..
You first switch to an unofficial language have to be constructed manually, for example Cherokee:
http://www.geni.com/tr8n/language/switch?language_action=switch_lan...