GLTF loader: enabled 8-bit joint indices (fixed https://github.com/DiligentGraphics/DiligentEngine/issues/97)
GLTF loader: enabled 8-bit joint indices (fixed https://github.com/DiligentGraphics/DiligentEngine/issues/97)

DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools