Added class CelestialBody. Safety commit.
Safety commit. Further implementations on extension to solarsystem.
Forgotten files added.
Further implementations on solar system extension.
Changed order of missions.
Refactored SmallBody to OrbitingBody.
Added default mission to rawdata to make the game runable with a simple (e.g., nodejs or python) http-server
First draft of solar system.
Added constraints to mission 2.
Fixed FlightEngineer bug where visited face was called undefined
Added planet notification message. Gametree y scale now dynamic.
Added new parameters to defaultmission.
Merge branch 'dev'