Added VA API
[VLC] added support of external sound tracks
[VLC] restoring subtitles after adding external sound track
[VLC] Losting subtitles after switching fullscreen fixed
[VLC] improved VLC bugs
[VLC] style
[VLC] added margins to widgets in ToolBar
[VLC] cleared code...
[VLC] renamed magic constants to other magic constants
[VLC] drag'n'drop
[VLC] added subtitles and sound tracks drag'n'drop
Merge pull request #247 from vtyulb/master

External sound tracks