Fix stitched trail rendering for RenderableTrailTrajectory
Adapt Lua scheduler helper scripts to new Dictionary layout
Make Spice throw exceptions on default again
Enable caching on default for CTX and MOLA data
Add NOAA rt data (commented out in LodEarth)
* Implement new RenderableTrails as abstract base class
- Implement RenderableTrailsOrbit and RenderableTrailsTrajectory as concrete instances
Remove old RenderableTrails and RenderableTrailsNew classes
Adapt mod files to the new structure
* Addressed Pull Request comments
