Fix DRR playlist / Onchanged / Onstop.
Fix Starting Bluray with an intro clip (trigger by Moving Pictures).
Fix when playing tv (even if rtsp) to always uses the tv-settings. (Thanks doskabouter)
Mantis #4322 : Optimization Thumbnail Generation.
Merge remote-tracking branch 'remotes/origin/master' into BUG-4322-Thumbnail_Generate_is_slow_for_Picture_v4

Conflicts:
	mediaportal/Configuration/Sections/GuiThumbs.cs
	mediaportal/Core/Util/Util.cs
	mediaportal/Core/Util/VideoThumbCreator.cs
	mediaportal/WindowPlugins/GUISettings/General/GUI/GUISettingsGUI_Thumbnails.cs
Merge remote-tracking branch 'remotes/origin/BUG-4322-Thumbnail_Generate_is_slow_for_Picture_v4'
Merge remote-tracking branch 'remotes/origin/master' into BUG-4362_Default_refresh_rate_not_applied_when_switching_directly_to_different_media
Merge remote-tracking branch 'remotes/origin/BUG-4362_Default_refresh_rate_not_applied_when_switching_directly_to_different_media'
Merge remote-tracking branch 'remotes/origin/master' into FEAT-3758-Implement_Blu-ray_playback_support_ADDON_V4