youtube-dl 2017.02.22

Extractors

• [crunchyroll] Fix descriptions with double quotes (#12124)
• [dailymotion] Make comment count optional (#12209)
• [vidzi] Add support for vidzi.cc (#12213)
• [24video] Add support for 24video.tube (#12217)
• [crackle] Use geo bypass mechanism
• [viewster] Use geo verification headers
• [tfo] Improve geo restriction detection and use geo bypass mechanism
• [telequebec] Use geo bypass mechanism
• [limelight] Extract PlaylistService errors and improve geo restriction
  detection