Add support for spiegel.tv (was: Unsupported url)

[robertrottermann]

robert@porti:~/Videos$ youtube-dl http://www.spiegel.tv/filme/alleskino-der-unhold --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['http://www.spiegel.tv/filme/alleskino-der-unhold', '--verbose']
[debug] youtube-dl version 2013.12.20
[debug] Python version 2.7.5+ - Linux-3.11.0-14-generic-x86_64-with-Ubuntu-13.10-saucy
[debug] Proxy map: {}
[redirect] Following redirect to http://www.spiegel.tv/filme/alleskino-der-unhold/
WARNING: Falling back on generic information extractor.
[generic] : Downloading webpage
[generic] : Extracting information
ERROR: Unsupported URL: http://www.spiegel.tv/filme/alleskino-der-unhold/; 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 475, in extract_info
ie_result = ie.extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 138, in extract
return self._real_extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 324, in _real_extract
raise ExtractorError(u'Unsupported URL: %s' % url)
ExtractorError: Unsupported URL: http://www.spiegel.tv/filme/alleskino-der-unhold/; 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.

[naglis]

Hi @robertrottermann,
support for spiegel.tv has been added in version 2014.06.07. Type youtube-dl -U to update. Thanks for the report!
Also: duplicate parent of #2474.