initial setup
Initial logic setup and splash screen

Create classes for CrewMember, Contract, Ship and World
Fade-In and -Out a logo before loading all the stuff
stuff
add payday
Display Ship, display status info, add resource consumption for crew, add GameOver screen
Scale assets, start to create StarMap
too much stuff
too much stuff, AGAIN
make buttons more dynamically, make map scale adjustable
Interplanetary traveling
Add Fuel and refueling. Improve navigation calculations
Trading system
Add Cargo Display and Tooltips
Merge branch 'release/0.1.0'