Support francetvinfo culturebox

[ottob]

Trying to download this: http://culturebox.francetvinfo.fr/einstein-on-the-beach-au-theatre-du-chatelet-146813

Verbose log:

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://culturebox.francetvinfo.fr/einstein-on-the-beach-au-theatre-du-chatelet-146813']
[debug] Encodings: locale 'UTF-8', fs 'utf-8', out 'UTF-8', pref: 'UTF-8'
[debug] youtube-dl version 2014.01.07.5
[debug] Python version 2.7.5 - Darwin-13.0.0-x86_64-i386-64bit
[debug] Proxy map: {}
[generic] einstein-on-the-beach-au-theatre-du-chatelet-146813: Requesting header
WARNING: Falling back on generic information extractor.
[generic] einstein-on-the-beach-au-theatre-du-chatelet-146813: Downloading webpage
[generic] einstein-on-the-beach-au-theatre-du-chatelet-146813: Extracting information
ERROR: Unsupported URL: http://culturebox.francetvinfo.fr/einstein-on-the-beach-au-theatre-du-chatelet-146813; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 489, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 155, in extract
    return self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 340, in _real_extract
    raise ExtractorError('Unsupported URL: %s' % url)
ExtractorError: Unsupported URL: http://culturebox.francetvinfo.fr/einstein-on-the-beach-au-theatre-du-chatelet-146813; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.

[ottob]

Thanks!

[jaimeMF]

You were faster than me.
We have good support for the francetv sites, we only need to extract an id, so it's not hard to support new sites.
Thanks for the report.