Log Message:
youtube-dl: Update to 20191016

Changes:
version 2019.10.16

Core
* [extractor/common] Make _is_valid_url more relaxed

Extractors
* [vimeo] Improve album videos id extraction (#22599)
+ [globo] Extract subtitles (#22713)
* [bokecc] Improve player params extraction (#22638)
* [nexx] Handle result list (#22666)
* [vimeo] Fix VHX embed extraction
* [nbc] Switch to graphql API (#18581, #22693, #22701)
- [vessel] Remove extractor
- [promptfile] Remove extractor (#6239)
* [kaltura] Fix service URL extraction (#22658)
* [kaltura] Fix embed info strip (#22658)
* [globo] Fix format extraction (#20319)
* [redtube] Improve metadata extraction (#22492, #22615)
* [pornhub:uservideos:upload] Fix extraction (#22619)
+ [telequebec:squat] Add support for squat.telequebec.tv (#18503)
- [wimp] Remove extractor (#22088, #22091)
+ [gfycat] Extend URL regular expression (#22225)
+ [chaturbate] Extend URL regular expression (#22309)
* [peertube] Update instances (#22414)
+ [telequebec] Add support for coucou.telequebec.tv (#22482)
+ [xvideos] Extend URL regular expression (#22471)
- [youtube] Remove support for invidious.enkirton.net (#22543)
+ [openload] Add support for oload.monster (#22592)
* [nrktv:seriebase] Fix extraction (#22596)
+ [youtube] Add support for yt.lelux.fi (#22597)
* [orf:tvthek] Make manifest requests non fatal (#22578)
* [teachable] Skip login when already logged in (#22572)
* [viewlift] Improve extraction (#22545)
* [nonktube] Fix extraction (#22544)