Updated DVBT tuning details UK Wenvoe (Thanks Elliotmc)
Mantis #4276 : fix m3u playlist when starting a slidewhow / recursive slideshow.
Merge remote-tracking branch 'remotes/upstream/BUG-4276-MyPictures_background_music_during_slideshow_doesn't_work' into 1.3.0RC_SEB_ADDONV3_TV_TEST