fix regression: save file didn't work
* Fix: wrong color blending for ASS subtitles
* Fix: slightly dislocated internal/ASS subtitles
Merge pull request #88 from sl1pkn07/master

update spanish translation: fix typo
cosmetics
make mpv osd blended into video frame directly
* Fix: relative urls in playlist weren't handled properly
* New: support YCgCo color space
* New: 'Color Space' menu in Video
update translations
* Fix: crash on too many logs
* Fix: wrong cache value
* Fix: don't parse remote playlist by default
refactoring MainWindow codes
Update Spanish Translation