- Modified getBumpNormal method to get rotations right.
- Modified getTextureCoordinates in Sphere class (BUT IT'S NOT RIGHT).
- Deleted puntos.h and puntos.cpp.
- Added a couple of textures.
- Fixed ray calculation with camera axis.
Merge branch 'master' of github.com:arcra/GraficacionRayTracer

Conflicts:
	src/main.cpp