v4.0.0-beta.17

Added

• Add Markdown wizard in LTI context
• Add subtitles download for teacher
• standalone website:
  • List the VOD in the contents section
  • Integrate creation VOD
  • Add playlist access management

Changed

• Allow playlist instructor to manage shared live media through API
• Allow playlist instructor to manage timed text tracks through API
• Rework Markdown UI
• Allow playlist admin/instructor to manage thumbnails through API

Fixed

• Bug on chat messages synchronisation
• Static files exclusion
• Impossible to decode JWT token, there is no jwt to decode
• Add refresh token in the challenge response