Commits had a UTC +8 timestamp, so most likely China or possibly Russia unless Australia or Taiwan decided to do something really weird. Probably not DPRK.
[1] https://github.com/jbranchaud/blog/blob/master/_posts/2013-0...
- using a name that reveals their nationality?
- commiting at a timezone that reveals where are they located?
Please. We have no idea who's behind this. The only legitimate question is (as usual): who benefits from this? Answer: any government on earth (most likely: USA, China, Russia, etc.)