gui_utils: unpack assets on demand and better starbound folder selection
gui_utils: unpack assets on demand and better starbound folder selection

wizzomafizzo/starcheat,chrmoritz/starcheat,wizzomafizzo/starcheat,kamilion/starcheat,R2pChyou/starcheat,chrmoritz/starcheat,R2pChyou/starcheat,kamilion/starcheat