Several changes and fixes made, listed below
- added stuff to scene's per-frame data
- added support for plane sets
- added workaround for broken blinkies on ships
- changed vertex texture register offset to be 12 instead of 16 to fit
  into 16 max texture units
- new method: Scene.addObject
- fix for Planet.isLoaded
- added frustrum culling and some loding for space objects
- micro-optimizations in rendering paths
- added support for tech 3 ships
- added category to graphicsIDs data
- seperated planet rendering into its own coordinate space
- fixed initial value for space object transform
- fixed exceptions when loading EveTransforms