BSplayer 2.5.8.1058

# FIXES:
* dvd playback with some DVDs
* file association bug
* display problem with some Unicode file names
* problem with online subtitles, sometimes even if existed it wasn't displayed
* YouTube video playback stream
* when opening some media files there were a lot of 1 byte reads
* some languages didn't get properly set at installation
* new subtitle renderer should now handle RTL languages properly
# ADDITIONS:
* alternate AC3/DTS audio decoder
* frame step now also works with EVR video renderer
* some plugin events for playlist handling
* support for madVR - Video renderer
* Taskbar Progress Bar is now 'normal' for streams
* edit bookmark window is now non-modal
* online subtitle result window also non-modal
* some other bug fixes and security enhancements