Increased car glovebox spawnrate for specific cassettes

Updated Workshop Icon

Slight increase to locker & shelf spawnrate of:
- JIngle Jangle Jingle
- Civilization
- Anything Goes
- Big Iron
- Way Back Home
- Let's Go Sunning
- Von Spanien nach Südamerika
- Boogie Man
- Ain't that a kick in the head

Slightly lowered general spawnrate of:
- Johhny guitar

Removed a classical song from the loot table
(accidentally left that in there)

Added a new workshop icon for the mod

Increased spawnrate of cassettes in lockers

Fixed in-game name
Should work now