- `AreaLight`: Add to the `ObjectLoader`.

- `DirectionalLight`, `HemisphereLight`, `SpotLight`: Update matrix in
constructor. These lights are not create at origin. The default
constructed Matrix4 is the identity matrix and is out of sync with the
actual position.

- Unit tests

THREE.GPUParticleSystem plugin

simple JSON loader example for importing Clara.io JSON exports.

Serialize intensity

Fix a typo.

Add dispose method to all controls

SoftwareRenderer draw lines

Blender Exporter: Fixed orphaned data left over from multiple exports

RequireJs native support

fixed a bug that was causing orphaned indices when performing more than 1 export of multiple scenes from the same Blender session