I'm not sure when the site was updated, but it looks like it goes the way of muxtape - http://getpopcornti.me/
Edit: Looks like this was written almost a couple weeks ago (March 14th, 2014 according to the time stamp on their medium post https://medium.com/p/93f890b8c9f4)
Ya those are from the original version, that the developers shut down on March 14th. The GitHub that the OP linked is the link to the new GitHub fork that is/was under active development. Not sure what happened but the saga seems to be continuing