Fixes Lights behaviour and adds tests
Merge pull request #135 from cedricpinson/feature/OsgShaderLightFix

Fixes Lights behaviour and adds tests
Adds codepen tutorial to osgjs (allows for quick visual tests when making osgjs core change)
Merge pull request #136 from cedricpinson/feature/tutorials

Adds codepen tutorial to osgjs
Reverts Material uniform name to previous state
Fixes vertex color but not tested with texture
Merge pull request #137 from cedricpinson/bugfix/materialUniformName

Reverts Material uniform name to previous state
Adds missing vendors for example
fix html tag & canvas/div css
Adds style to canvas
fixes averageblur bad idx shift and divide
Merge pull request #142 from cedricpinson/bugfix/averageBlurIdxNew

fixes averageblur bad idx shift and divide
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
Add sample ShadowMap