Updated iCollidesBefore to  _iCollidesBefore
ShaderPicker - incomplete - still needs getViewCollision / getSceneCollision imeplementation ( needs dependencies )
RaycastPicket - incomplete - still needs getViewCollision / getSceneCollision imeplementation ( needs dependencies )
PickingType - incomplete - needs Ray/Shader picker implementation of getViewCollision / getSceneCollision before they can implement IPicker
reverted iCollidesBore ( removed underscore )