wait if an item that is busy preloading is played
Added screenshots
corrected image url
minor corrections
Repositioned images
Recognise webm video-only streams, offer mux
Revert "Recognise webm video-only streams, offer mux"

This reverts commit 7e6ae2ffbd635f290b078d993b9a8fca9f48d95c.
Carry override preference for failed playback
updated comment
Changed some debugging messages
updated changes
Documented changes
Version 0.01.36
Merge branch 'develop'