Support for new site HGTV.com US

[Deflated-Criossant]

• [x ] I've verified and I assure that I'm running youtube-dl 2016.08.17
• [ x] At least skimmed through README and most notably FAQ and BUGS sections
• [ x] Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• [x ] Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

If the purpose : site support request or you are not completely sure provide the full verbose output as follows:

youtube-dl -v http://www.hgtv.com/shows/flip-or-flop/flip-or-flop-full-episodes-videos
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'http://www.hgtv.com/shows/flip-or-flop/flip-or-flop-full-episodes-videos']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2016.08.17
[debug] Python version 3.4.4 - Windows-10-10.0.10586
[debug] exe versions: none
[debug] Proxy map: {}
[generic] flip-or-flop-full-episodes-videos: Requesting header
WARNING: Falling back on generic information extractor.
[generic] flip-or-flop-full-episodes-videos: Downloading webpage
[generic] flip-or-flop-full-episodes-videos: Extracting information
ERROR: Unsupported URL: http://www.hgtv.com/shows/flip-or-flop/flip-or-flop-full-episodes-videos
Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpigau_o17\build\youtube_dl\YoutubeDL.py", line 691, in extract_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpigau_o17\build\youtube_dl\extractor\common.py", line 347, in extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpigau_o17\build\youtube_dl\extractor\generic.py", line 2362, in _real_extract
youtube_dl.utils.UnsupportedError: Unsupported URL: http://www.hgtv.com/shows/flip-or-flop/flip-or-flop-full-episodes-videos

If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

• Single video: couldn't find link to single episode/video
• Single video: N/A
• Playlist: http://www.hgtv.com/shows/flip-or-flop/flip-or-flop-full-episodes-videos