youtube-dl: Updated to version 2013.09.24.2

$ git alg 2013.09.20.1..2013.09.24.2
* b98d6a1 - release 2013.09.24.2
* 29c7a63 - Remove debugging code
* 8b25323 - release 2013.09.24.1
*   f426de8 - Merge remote-tracking branch 'origin/master'
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| * e80d861 - Revert "[southparkstudios] Fix mgid extraction"
* |   695dc09 - Merge branch 'automatic-signatures'
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| * 7f74773 - Add option --no-cache-dir
| * f2c327f - Fix 86 signature (#1494)
| * e35e4dd - Fix output of --youtube-print-sig-code when counting down to 0
| * c3c88a2 - Allow opts.cachedir == None to disable cache
| * c705320 - Correct test strings
| * d2d8f89 - Do not warn if fallback is without alternatives (because we did not get the flash player URL)
| * bdde940 - [youtube] Improve flash player URL handling
| * 45f4a76 - Work around nosetests nosiness
| * 13dc64c - [youtube] Remove _decrypt_signature_age_gate
| * c35f9e7 - Move cachedir doc
| * f806158 - [youtube] Actually pass in cachedir option
| * 0ca96d4 - [youtube] Improve source code quality
| * 4ba146f - Update static signatures
| * edf3e38 - [youtube] Improve cache and add an option to print the extracted signatures
| * c4417dd - [youtube] Add filesystem signature cache
| * 2f2ffea - Clarify a couple of calls
| * ba552f5 - Use reader instead of indexing
| * 8379969 - Prepare signature function caching
| * 95dbd2f - Change test target (Verified with node.js)
| * a717786 - Implement more opcodes
| * e0df621 - Restore accidentally deleted commits
* | 2cdeb20 - release 2013.09.24
* | bb0eee7 - [youtube] Update one of the test's description
* | 6f56389 - [youtube] update algos for length 86 and 84 (fixes #1494)
* | 5b333c1 - [francetv] Add an extractor for Generation Quoi (closes #1475)
* | a825f33 - [francetv] Add an extractor for France2
* |   92f618f - Merge remote-tracking branch 'origin/master'
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| * | dd5d2eb - If the file is already downloaded include the size in the progress hook
| * | 4ae7200 - Include the eta and the speed in the progress hooks
* | | 81ec7c7 - [facebook] Allow untitled videos (Fixes #1484)
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* | 4a2080e - [youku] better error handling
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* b00ca88 - [livestream] Fix events extraction (fixes #1467)
* 39baacc - [dailymotion] Add an extractor for users (closes #1476)
* 3a1d48d - [dailymotion] Raise ExtractorError if the dailymotion response reports an error
* 34308b3 - Warn if no locale is set (#1474)
*   bc1506f - Merge branch 'master' of github.com:rg3/youtube-dl
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| * 69b227a - [southparkstudios] add support for http://www.southparkstudios.com/full-episodes/* urls (closes #1469)
| * 0fd4945 - [southparkstudios] Fix mgid extraction
* b61067f - Abort if extractaudio is given without a variable extension (#1470)

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