* `Particle` now use `ParticleCircleMaterial` instead of `ColorFillMaterial`
* `Particle.size` > `Particle.scale.x` and `Particle.scale.y`
* `SVGRenderer` currently out of sync
Added THREE namespace
Camera.x -> Camera.position.x
Camera.target.x -> Camera.target.position.x
ColorMaterial -> ColorFillMaterial
FaceColorMaterial -> FaceColorFillMaterial
Materials are now multipass (use array)
Added ColorStrokeMaterial and FaceColorStrokeMaterial
geometry.faces.a are now indexes instead of links