Add support for Scottish Screen Archive (http://ssa.nls.uk/)

[RfzVd]

Example url.

Output with youtube-dl -v http://ssa.nls.uk/film/3561

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'http://ssa.nls.uk/film/3561']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.03.09
[debug] Python version 2.7.3 - Linux-3.2.0-4-686-pae-i686-with-debian-7.7
[debug] exe versions: avconv 0.8.16-6, avprobe 0.8.16-6, ffprobe 0.8.16-6, rtmpdump 2.4
[debug] Proxy map: {}
[generic] 3561: Requesting header
WARNING: Falling back on generic information extractor.
[generic] 3561: Downloading webpage
[generic] 3561: Extracting information
ERROR: Unsupported URL: http://ssa.nls.uk/film/3561
Traceback (most recent call last):
File "/home/user/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 649, in extract_info
ie_result = ie.extract(url)
File "/home/user/bin/youtube-dl/youtube_dl/extractor/common.py", line 275, in extract
return self._real_extract(url)
File "/home/user/bin/youtube-dl/youtube_dl/extractor/generic.py", line 1283, in _real_extract
raise UnsupportedError(url)
UnsupportedError: Unsupported URL: http://ssa.nls.uk/film/3561

[dstftw]

Scottish Screen Archive will be supported in the next version. Thanks for the report.

[dstftw]

Support for Scottish Screen Archive has been added in youtube-dl 2015.03.15. See our FAQ on how to update.