GUIPictures : Music shouldn't be stopped when doing STOP in SlideShow.
GUIPictures : Fix issue while playing Video under MyPictures and doing a STOP to restore Music Playlist (we need to start playing only when GUI Item list are displayed and not when Fullscreen video is on screen) To fix it, we need to render at least one frame to kick FullScreen VIDEO window.
Revert GUIWindows (by commented out code) it fix MyPictures Video SlideShow.
Ensure track that already exists in playlist is not re-added
Fix for mantis 4422 dialogGeneralRating.xmls for Default/DefaultWide skins (removing obsolete AltTexture properties)
Fix Null ref when Music Is playing and a Video is shown during picture slide show
Mantis 4261 : Fix Subtitles issues v1.3.0.0 (should fix XP issue)
Merge remote-tracking branch 'remotes/upstream/FEAT_Last.fm_API_2.0' into 1.4.0Fork_SEB_New_Master
Merge remote-tracking branch 'remotes/upstream/master' into 1.4.0Fork_SEB_New_Master
Merge remote-tracking branch 'remotes/upstream/BUG-4427-MyPictures_while_music_is_playing_can_failed_with_Video_running' into 1.4.0Fork_SEB_New_Master
Merge remote-tracking branch 'remotes/upstream/BUG-4261-Subtitles_issues_v1.3.0.0_(DVBSub3.ax)' into 1.4.0Fork_SEB_New_Master