This update for smplayer fixes the following issues:

- Remove forcing of PulseAudio; if "Default" is selected, leave the choice to the backend. (boo#1020640)
- Add a popup menu with the load/save options for playlists.
- Store the playlist filename and display "*" in the title when the playlist is modified and not saved.
- Add a 'save as' button. (Playlist)
- Add an option in the Interface preferences to play the next file automatically or not.
- Add the option 'Start playback after loading a playlist' in the Playlist preferences.
- Add the option 'Auto sort' in the Playlist preferences.
- Fix when the additional options for mpv contains quotes.
- Add option 'Case sensitive search' in the Playlist preferences.
- Remove the option to add black borders on fullscreen.
- New option 'Add black borders for subtitles by default in the General preferences.
- New option 'Show info on OSD' in View - OSD (Shift + I) for displaying info about the current media on the OSD.
- If a playlist file is dropped to the playlist window, load it.
- Pass the alpha component of the subtitles' colours to mpv.
- Remove desktop entry categories redefinition: default ones are fine.