Normalize skinning weights at load to ensure they sum to 1
Normalize skinning weights at load to ensure they sum to 1

Some models we have do not provide normalized weights.
While model files should contain normalized weights, it is safer to ensure it at load.
Zouch/Radium-Engine,Zouch/Radium-Engine,AGGA-IRIT/Radium-Engine,AGGA-IRIT/Radium-Engine