Add import playlist feature
add notification support
Merge pull request #162 from EragonJ/feature/add-notification

add notification support
Update Spanish translation. 

Update Spanish translation,
Merge pull request #164 from Pablohn26/patch-2

Update Spanish translation.
add one more es language and update l10n
Merge pull request #165 from EragonJ/improvement/update-l10n

add one more es language and update l10n
Merge pull request #148 from EragonJ/feature/add-import-platform-list

fix #12, Add import playlist feature
Linux single frame stuck fix. Bug 69
Merge pull request #171 from 5punk/bug/69

Linux single frame stuck fix. Issue 69