youtube-dl 2018.11.23

Core

• [setup.py] Add more relevant classifiers

Extractors

• [mixcloud] Fallback to hardcoded decryption key (#18016)
• [nbc:news] Fix article extraction (#16194)
• [foxsports] Fix extraction (#17543)
• [loc] Relax regular expression and improve formats extraction

• [ciscolive] Add support for ciscolive.cisco.com (#17984)

• [nzz] Relax kaltura regex (#18228)
• [sixplay] Fix formats extraction
• [bitchute] Improve title extraction
• [kaltura] Limit requested MediaEntry fields

• [americastestkitchen] Add support for zype embeds (#18225)
• [pornhub] Add pornhub.net alias

• [nova:embed] Fix extraction (#18222)