edx/edx-platform — pull request #2832 by gwprice (2014-03-05 23:21:15+00:00)
Title: Save language preference on account creation

This is necessary to allow non-browser-based services (e.g. notifier)
to know a user's preferred language even if the user has not explicitly
selected one.

@jimabramson @dianakhuang @flowerhack