Render performance tweaks
Added .gitattributes
Loading three.js from CDN now, still needed for some extra files
Internal updates:

- Moved data files around
- Latest DB data brought in
- Variable naming normalised with those DB changes
- Some code cleanup
- Systems data loading is now done asynchronously through XHR, the location of the file is in index.html (id="sc-map-config")

TODO:

- Background info is currently not displaying
Small GPU performance update: reference plane changed to BufferGeometry