2013.01.02 Codename: GIULIA * Add support for ComedyCentral clips <nto> * Corrected Vimeo description fetching <Nick Daniels> * Added the --no-post-overwrites argument <Barbu Paul - Gheorghe> * --verbose offers more environment info * New info_dict field: uploader_id * New updates system, with signature checking * New IEs: NBA, JustinTV, FunnyOrDie, TweetReel, Steam, Ustream * Fixed IEs: BlipTv * Fixed for Python 3 IEs: Xvideo, Youku, XNXX, Dailymotion, Vimeo, InfoQ * Simplified IEs and test code * Various (Python 3 and other) fixes * Revamped and expanded tests