VLC 2.1 for iOS adds audio-only playback, streaming over FTP and UPnP

VLC returned to iOS with big upgrades like AirPlay and Dropbox integration, but it left out a few of the very valuable features we've seen in other media players. The app's new 2.1 update addresses several of those omissions in one fell swoop. VLC can now play audio-only files, and it will stream content from both UPnP devices and FTP servers. Even a few of the smaller additions could be quite useful for some viewers -- there's a video deinterlacing option, for example, as well as support for su...