fix https://github.com/mangui/HLSprovider/issues/14
use recompiled opensource JW6 player instead of commercial player.
forcing type:'mp4' is not needed anymore as opensource player does not contain any HLS implementation.
this should allow multiple sources with mp4 fallback to work
Merge branch 'master' of https://github.com/mangui/HLSprovider
fix random TypeError: Error #1009 occuring with adaptive live playlists
remove unused fields from Tag.as