Adds modelWorld and View Matrix and shader uniform.
Clean diff
Adds getModelViewMatrix for backward compatibility
Reset clouds samples because it should be deleted
Restores Camera, it does not need change yet
Limit diff from develop
Removes bounding box stack for now
Fixes Lights behaviour and adds tests
Adds codepen tutorial to osgjs (allows for quick visual tests when making osgjs core change)
Reverts Material uniform name to previous state
Fixes vertex color but not tested with texture
Adds missing vendors for example
fix html tag & canvas/div css
Adds style to canvas
fixes averageblur bad idx shift and divide
add sample advanced shadowmap