0.6.0

1. Function added to Pi-Player menu to check network connection.
2. Close button added to left menu bar to hide/show Now Playing/Menu Functions.
3. Close buttons replaced with X in top right corner.
4. Button to Add new music moved to Music Library.
5. Database Functions removed and functions moved to Player Functions.
6. Artist Discography now linked to Spotify.
7. New graphics for music genres, playlists and player control buttons.