youtube-dl 2018.04.25

Core

• [utils] Fix match_str for boolean meta fields

• [Makefile] Add support for pandoc 2 and disable smart extension (#16251)

• [YoutubeDL] Fix typo in media extension compatibility checker (#16215)

Extractors

• [openload] Recognize IPv6 stream URLs (#16136, #16137, #16205, #16246,
  #16250)
• [twitch] Extract is_live according to status (#16259)

• [pornflip] Relax URL regular expression (#16258)

• [etonline] Remove extractor (#16256)

• [breakcom] Fix extraction (#16254)

• [youtube] Add ability to authenticate with cookies

• [youtube:feed] Implement lazy playlist extraction (#10184)

• [svt] Add support for TV channel live streams (#15279, #15809)

• [ccma] Fix video extraction (#15931)
• [rentv] Fix extraction (#15227)

• [nick] Add support for nickjr.nl (#16230)

• [extremetube] Fix metadata extraction

• [keezmovies] Add support for generic embeds (#16134, #16154)

• [nexx] Extract new azure URLs (#16223)
• [cbssports] Fix extraction (#16217)
• [kaltura] Improve embeds detection (#16201)
• [instagram:user] Fix extraction (#16119)
• [cbs] Skip DRM asset types (#16104)