Add support for rds.ca

[EricBelanger]

Hi,

Could you add support for http://www.rds.ca ?
Thanks.

Example url:

$ youtube-dl --verbose http://www.rds.ca/vid%C3%A9os/un-voyage-positif-3.877934
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://www.rds.ca/vid%C3%A9os/un-voyage-positif-3.877934']
[debug] youtube-dl version 2013.10.17
[debug] Python version 3.3.2 - Linux-3.11.5-1-ARCH-x86_64-with-arch
[debug] Proxy map: {}
WARNING: Falling back on generic information extractor.
[generic] un-voyage-positif-3.877934: Downloading webpage
[generic] un-voyage-positif-3.877934: Extracting information
ERROR: Unsupported URL: http://www.rds.ca/vid%C3%A9os/un-voyage-positif-3.877934; 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/lib/python3.3/site-packages/youtube_dl/YoutubeDL.py", line 353, in extract_info
ie_result = ie.extract(url)
File "/usr/lib/python3.3/site-packages/youtube_dl/extractor/common.py", line 117, in extract
return self._real_extract(url)
File "/usr/lib/python3.3/site-packages/youtube_dl/extractor/generic.py", line 173, in _real_extract
raise ExtractorError(u'Unsupported URL: %s' % url)
youtube_dl.utils.ExtractorError: Unsupported URL: http://www.rds.ca/vid%C3%A9os/un-voyage-positif-3.877934; 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.