Merge pull request #79 from sl1pkn07/master

Spanish translation update
some cosmetic changes
* Fix: internal subtitle selection wasn't restored
wrong end file reason
* New: 'Auto-load File(s)' menu to (re)auto-load subtitle files
* Fix: short of available hwdec surfaces for VDPAU
* Fix: 'Show OSD messages ...' options was not preserved
* New: disable screensaver using external command
refactoring...
separate deinterlacer from vo
update mpv
refactoring...
refactoring: remove dependecy of MainWindow on UtilObject
* Fix: support for stylish tags in ruby tag
fix regression which causes crash on opening file from file manager
* Fix: better sync for .ass subtitle (#69)
use MPV_EVENT_CHAPTER_CHANGE to update current chapter
refactoring around hwdec
fix regressions:
- VDPAU didn't work
- Deinterlacing with OpenGL/GPU didn't work
* New: OSD appearance is customizable
* New: 'Show OSD timeline when seeking' option