Log Message:
youtube-dl: Update net/youtube-dl to 20180114

Changes:
version 2018.01.14

Extractors
* [youtube] Fix live streams extraction (#15202)
* [wdr] Bypass geo restriction
* [wdr] Rework extractors (#14598)
+ [wdr] Add support for wdrmaus.de/elefantenseite (#14598)
+ [gamestar] Add support for gamepro.de (#3384)
* [viafree] Skip rtmp formats (#15232)
+ [pandoratv] Add support for mobile URLs (#12441)
+ [pandoratv] Add support for new URL format (#15131)
+ [ximalaya] Add support for ximalaya.com (#14687)
+ [digg] Add support for digg.com (#15214)
* [limelight] Tolerate empty pc formats (#15150, #15151, #15207)
* [ndr:embed:base] Make separate formats extraction non fatal (#15203)
+ [weibo] Add extractor (#15079)
+ [ok] Add support for live streams
* [canalplus] Fix extraction (#15072)
* [bilibili] Fix extraction (#15188)

version 2018.01.07

Core
* [utils] Fix youtube-dl under PyPy3 on Windows
* [YoutubeDL] Output python implementation in debug header

Extractors
+ [jwplatform] Add support for multiple embeds (#15192)
* [mitele] Fix extraction (#15186)
+ [motherless] Add support for groups (#15124)
* [lynda] Relax URL regular expression (#15185)
* [soundcloud] Fallback to avatar picture for thumbnail (#12878)
* [youku] Fix list extraction (#15135)
* [openload] Fix extraction (#15166)
* [lynda] Skip invalid subtitles (#15159)
* [twitch] Pass video id to url_result when extracting playlist (#15139)
* [rtve.es:alacarta] Fix extraction of some new URLs
* [acast] Fix extraction (#15147)

version 2017.12.31

Core
+ [extractor/common] Add container meta field for formats extracted
  in _parse_mpd_formats (#13616)
+ [downloader/hls] Use HTTP headers for key request
* [common] Use AACL as the default fourcc when AudioTag is 255
* [extractor/common] Fix extraction of DASH formats with the same
  representation id (#15111)

Extractors
+ [slutload] Add support for mobile URLs (#14806)
* [abc:iview] Bypass geo restriction
* [abc:iview] Fix extraction (#14711, #14782, #14838, #14917, #14963, #14985,
  #15035, #15057, #15061, #15071, #15095, #15106)
* [openload] Fix extraction (#15118)
- [sandia] Remove extractor
- [collegerama] Remove extractor
+ [mediasite] Add support for sites based on Mediasite Video Platform (#5428,
  #11185, #14343)
+ [ufctv] Add support for ufc.tv (#14520)
* [pluralsight] Fix missing first line of subtitles (#11118)
* [openload] Fallback on f-page extraction (#14665, #14879)
* [vimeo] Improve password protected videos extraction (#15114)
* [aws] Fix canonical/signed headers generation on python 2 (#15102)