* 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
* Fixed renderablesmallbody selective rendering props to accept asset file settings
* Set to only show selective rendering log info msg if render size is 1
* Mirrored selective rendering behavior from smallbody to satellites
* Added property coupling of values to satellite/asteroid render settings for size, start index, upperlimit
* Fix for selective rendering with synced render settings
* Removed redundant property definitions for codegen compliance
* Improvements to documentation and handling values spec'd in asset file
* Fix for satellites: selective rendering settings specified from assets
