Log Message:
youtube-dl: Update net/youtube-dl to 20181107

Changes:
version 2018.11.07

Extractors
+ [youtube] Add another JS signature function name regex (#18091, #18093,
  #18094)
* [facebook] Fix tahoe request (#17171)
* [cliphunter] Fix extraction (#18083)
+ [youtube:playlist] Add support for invidio.us (#18077)
* [zattoo] Arrange API hosts for derived extractors (#18035)
+ [youtube] Add fallback metadata extraction from videoDetails (#18052)