Optimised colour calculations

Removed some unused methods
Added some fixes for different pixel structures in images.

Fixed file paths so it accesses them properly
Added texture Mapping

Reworked player speed calculations
Fixed debug image rendering in the wrong order
Added frustum culling to faces
Optimised frustum culling (fix #19)
Packaged interpolation into a function
Made triangles not attempt to draw if they are offscreen.
Fixed frustum culling not working properly
Cleaned up a bit of debugging code
Added vector classes to bounding sphere calculations
Fixed broken bounding sphere calculations

Fix #14
Fixed mapping for zbuffer causing faces close to the camera to render wrongly
Added config.json
Changed the z chopping value from 0.1 to 0.01 so everything renders properly

Testing blender json and fixing related bugs and compatibility issues

(Fix #2)

- didn't work

 - added matrix inversion
 - does work