Use ffmpeg.exe based on command line from Jay_UK's.
Merge remote-tracking branch 'remotes/origin/master' into BUG-3920_mtn.exe_does_not_generate_thumbs_for_all_video_files
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)
ADDON V4 (Without Audio Channel Count)
Mantis #4322 : Optimization Thumbnail Generation.
Merge remote-tracking branch 'remotes/origin/master' into BUG-3920_mtn.exe_does_not_generate_thumbs_for_all_video_files

Conflicts:
	mediaportal/Core/Util/Util.cs
Kill ffmpeg process for installer.
Merge branch 'BUG-3920_mtn.exe_does_not_generate_thumbs_for_all_video_files'
Merge branch 'master' into FEAT-3758-Implement_Blu-ray_playback_support_ADDON_V4

Conflicts:
	mediaportal/WindowPlugins/GUIVideoFiles/GUIVideoFiles.cs
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
Merge branch 'FEAT-4353-Blu-ray_playback_support_ADDON_V4'
Mantis #4353 : BDPlayer add missing 'titles.Dispose'
Merge branch 'refs/heads/master' into EXP-Windows-7-Half-Full-Screen

Conflicts:
	mediaportal/Core/Player/g_player.cs
	mediaportal/Core/Util/Util.cs
	mediaportal/Core/Util/VirtualDirectory.cs
	mediaportal/Databases/Video/SqlLite/VideoDatabaseSqlLite.cs
	mediaportal/MediaPortal.Application/d3dapp.cs
	mediaportal/WindowPlugins/GUISettings/MyPictures/GUISettingsPictures_Database.cs
	mediaportal/WindowPlugins/GUIVideoFiles/GUIVideoFiles.cs

Conflict Resolution:
- manually applied change in d3dapp.cs to D3D.cs
- Used current master version for everything else and applied Mantis #3734 to whole solution.
Added exception handling when stopping plugins