Fixing dispose bug for VirtualJoysticksCamera
Fixing onError not called on importMesh
Adding instance exportation support for 3DSMax exporter
Starting working on AssetsManager
Fixing an issue with empty renderlist for shadows
Fixing a bug with GamepadCamera.dispose()
Added missing Vector2.copyFromFloats method
Merge pull request #265 from demonixis/master

Added missing Vector2.copyFromFloats method
Merge pull request #266 from Palmer-JC/master

The rename & wrapper trick: Load -> Append; Append implements Load
New assetsManager