release 2013.09.20.1
[southparkstudios] Fix mgid extraction
[southparkstudios] add support for http://www.southparkstudios.com/full-episodes/* urls (closes #1469)
Abort if extractaudio is given without a variable extension (#1470)
Merge branch 'master' of github.com:rg3/youtube-dl
Warn if no locale is set (#1474)
[dailymotion] Raise ExtractorError if the dailymotion response reports an error
[dailymotion] Add an extractor for users (closes #1476)
[livestream] Fix events extraction (fixes #1467)
[youku] better error handling

blocked videos used to cause death by TypeError, now we report what the
server says
Include the eta and the speed in the progress hooks

Useful when listening to the progress hook, for example in a GUI.
If the file is already downloaded include the size in the progress hook
[facebook] Allow untitled videos (Fixes #1484)
Merge remote-tracking branch 'origin/master'
[francetv] Add an extractor for France2
[francetv] Add an extractor for Generation Quoi (closes #1475)
[youtube] update algos for length 86 and 84 (fixes #1494)
[youtube] Update one of the test's description
Merge branch 'master' into js-generator