Fixed: prevent the querystring from being stripped if no sub streams are found in a m3u8 playlist.
[remote keymapping] map the BACK button to Back in fullscreen (rather than smallstepback in fullscreenvideo and lockpreset in visualisation)
Merge pull request #3822 from basrieter/m3u8_qs_fix

Fixed: don't cut of the query string to determine the basepath in M3U8 files
Merge pull request #3881 from jmarshallnz/back_means_back

Map the BACK button to Back in fullscreen
Merge pull request #3778 from herrnst/vis-is-no-ss

Revert PR#3231 and make "visualisation as screensaver" behave as having fullscreen manually toggled (so it won't trigger screensaver state at all)