New ```BABYLON.Scene.cameraToUseForPointers``` property that defines this parameter if you are using multiple cameras and you want to specify which one should be used for pointer position
BABYLON.OculusOrientedCamera was replaced by BABYLON.OculusCamera for better integration into camera system
Shadow add Poisson Sampling
Merge pull request #238 from clementlevasseur/master

Shadow add Poisson Sampling
More integration for Shadow Poisson sampling