Log Message:
Update net/youtube-dl to 20170618.

Changes:
version 2017.06.18

Core
* [downloader/common] Use utils.shell_quote for debug command line
* [utils] Use compat_shlex_quote in shell_quote
* [postprocessor/execafterdownload] Encode command line (#13407)
* [compat] Fix compat_shlex_quote on Windows (#5889, #10254)
* [postprocessor/metadatafromtitle] Fix missing optional meta fields processing
   in --metadata-from-title (#13408)
* [extractor/common] Fix json dumping with --geo-bypass
+ [extractor/common] Improve jwplayer subtitles extraction
+ [extractor/common] Improve jwplayer formats extraction (#13379)

Extractors
* [polskieradio] Fix extraction (#13392)
+ [xfileshare] Add support for fastvideo.me (#13385)
* [bilibili] Fix extraction of videos with double quotes in titles (#13387)
* [4tube] Fix extraction (#13381, #13382)
+ [disney] Add support for disneychannel.de (#13383)
* [npo] Improve URL regular expression (#13376)
+ [corus] Add support for showcase.ca
+ [corus] Add support for history.ca (#13359)

version 2017.06.12

Core
* [utils] Handle compat_HTMLParseError in extract_attributes (#13349)
+ [compat] Introduce compat_HTMLParseError
* [utils] Improve unified_timestamp
* [extractor/generic] Ensure format id is unicode string
* [extractor/common] Return unicode string from _match_id
+ [YoutubeDL] Sanitize more fields (#13313)

Extractors
+ [xfileshare] Add support for rapidvideo.tv (#13348)
* [xfileshare] Modernize and pass Referer
+ [rutv] Add support for testplayer.vgtrk.com (#13347)
+ [newgrounds] Extract more metadata (#13232)
+ [newgrounds:playlist] Add support for playlists (#10611)
* [newgrounds] Improve formats and uploader extraction (#13346)
* [msn] Fix formats extraction
* [turbo] Ensure format id is string
* [sexu] Ensure height is int
* [jove] Ensure comment count is int
* [golem] Ensure format id is string
* [gfycat] Ensure filesize is int
* [foxgay] Ensure height is int
* [flickr] Ensure format id is string
* [sohu] Fix numeric fields
* [safari] Improve authentication detection (#13319)
* [liveleak] Ensure height is int (#13313)
* [streamango] Make title optional (#13292)
* [rtlnl] Improve URL regular expression (#13295)
* [tvplayer] Fix extraction (#13291)