* Remove planet geometry and simplespheregeometry
* Only use a single TLE loading implementation
* Add caching to the satellite loader; Add Lua function to load kepler file
* Fix RenderablePlanetProjection specification
* Add OMM loading funtion; Remove mean motion from Kepler parameters
* Replace TLETranslation class with GPTranslation and support OMM files
* Support loading SMDB files in kepler functions
* Merge RenderableSatellites and RenderableSmallBody with RenderableOrbitalKepler
* Update submodules
* Adapt existing satellites to new OMM file type
* Remove TLE helper
* Remove SSSB shared file and adapt sssb assets